High School Vocabulary
353,744 words and 27,916 expressions at the high school level.
plural of r'coon
An artificial language created by H.P. Lovecraft.
plural of r'ship
simple past and past participle of R-bomb
present participle and gerund of R-bomb
third-person singular simple present indicative of R-bomb
Alternative form of R-colour.
The distinctive property of R-coloured vowels.
The EPOCH chemotherapy regimen when supplemented with rituximab.
The monoid action of a ring R on an abelian group.
plural of R-module
The relatively rapid nucleosynthesis process, in supernovae, in which a large neutron flux allows rapid neutron capture and synthesis of elements up to the transuranic elements.
Of a motion picture, having an "R rating" from one more motion picture rating authorities, typically meaning it is suitable only for adults.
Shaped like the capital letter "R" or its mirror image.
plural of r-slur
plural of r-tard
plural of R-tree
A measure of thermal resistance used in domestic insulation.
plural of r-value
Retarded.
present participle and gerund of r-word
plural of r-word
plural of R.I.S.
plural of R.S.S.
Alternative form of RSVP.
plural of r0dent
simple past and past participle of r0x0r
present participle and gerund of r0x0r
A colorless mineral, heptamagnesium diphosphate octahydroxy: Mg₇(PO₄)₂(OH)₈.
A palace.
plural of Raasch
Used to express anger, annoyance or surprise.
Alternative spelling of raasclaat.
plural of raasclat
Alternative spelling of raasclaat.
plural of raasclot
plural of raashi.
The night-blooming cestrum, Cestrum nocturnum.
plural of raatrani
plural of Raatz
A surname from Spanish.
plural of Rabadan
plural of Rabadi
plural of Rabago
A surname from Spanish.
A surname from Spanish.
plural of Rabanal
plural of raband
A raffia fabric of Madagascar.
plural of rabanna
A large canoe, originally made of tree bark and used by the Algonquin people, now a kind used in sport and recreation.
plural of rabaska
A surname from Catalan.
plural of Rabassa
simple past and past participle of rabate
plural of rabate
Alternative form of rabato (“type of collar”).
plural of rabatine
present participle and gerund of rabate
The rotation of a plane figure.
plural of rabato
plural of rabato
Alternative form of rabat (“to rotate a plane of projection”).
simple past and past participle of rabat
third-person singular simple present indicative of rabatte
present participle and gerund of rabat
A surname from Arabic.
plural of rabbi
plural of rabbi
plural of Rabbani
Alternative form of rabbinist.
Alternative form of rabbinite.
A longitudinal channel, groove, or recess cut out of the edge or face of a plank of wood or other material; especially, one intended to fit another member to form a joint.
simple past and past participle of rabbet
A woodwork tool for forming rabbets.
plural of rabbeter
present participle and gerund of rabbet
plural of rabbet
The role or status of rabbi.
plural of rabbi
The office or function of a rabbi.
Rabbinic literature.
Of or relating to rabbis, their writings, or their work.
Rabbinical studies.
Alternative form of rabbinize.
A characteristically rabbinical word or phrase.
One who adheres to the Talmud and traditions of the rabbis.
Synonym of rabbinist.
To interpret from the perspective of rabbinic teaching; to make consistent with rabbinic lore.
plural of rabbin
The rank or office of rabbi.
Alternative form of rabbit-o.
plural of rabbit-o
The type of natural environment where rabbits can thrive.
The state or essence of being a rabbit.
simple past and past participle of rabbit
One who hunts rabbits.
plural of rabbiter
A female rabbit.
A type of blueberry (Vaccinium virgatum)
present participle and gerund of rabbit
Characteristic of or similar to a rabbit; rabbit-like.
plural of rabbito
A disease of rabbits caused by an orthopoxvirus.
Аn enclosure where rabbits are kept, and often bred.
plural of rabbit
A surname.
simple past and past participle of rabbit
plural of Rabbitt
Similar to or characteristic of a rabbit; rabbit-like.
simple past and past participle of rabble
One who uses a rabble (iron bar) in puddling.
plural of rabbler
plural of rabble
An uprising; a riot by a mob.
plural of rabbling
A rabbi.
plural of rabbi
plural of rabbi
plural of rabboni
Alternative form of rhabdoid.
plural of rabdoid
The practice of performing arithmetic using Napier's bones.
A surname from French.
Synonym of Rabelaisianism.
plural of Rabelo
plural of rabfak
rabid; affected with rabies
A violent, greedy person.
plural of rabiator
A horse that is colored mostly red, bay, or black, with flecks of white or grey especially on the flanks.
plural of rabicano
A surname from French.
plural of Rabideau
comparative form of rabid: more rabid
superlative form of rabid: most rabid
rabidness
In a rabid manner.
The property of being rabid.
rabid; affected with rabies
transmitting rabies
Resembling or characteristic of rabies.
Causing rabies.
Alternative form of Ravindra (A male given name from Hindi).
raging; rabid
A surname.
A genre of drum music from Haiti
plural of Raboin
plural of Rabold
plural of rabona
plural of Raborn
One of Sennacherib's messengers to Hezekiah, quoted in 2 Kings 18:27–37 and Isaiah 36:12–20.
a tendency to shyster or to quibble.
plural of rabulism
Vile; scurrilous.
plural of Raburn
A Middle Eastern dish made from acorns.
A surname from Italian.
Alternative form of racahout.
plural of raccoon
To engage in race baiting.
Alternative form of racegoer.
To compete in race walking.
Alternative form of race war
plural of race-war.
Able to be raced; suitable for racing.
A small sloop-rigged racing yacht carrying about six hundred square feet of sail, distinguished from a knockabout by having a short bowsprit.
To play the role of, or cast someone in the role of, a character of a different race or ethnicity.
third-person singular simple present indicative of racebend
simple past and past participle of racebend
A motorcycle designed for racing
plural of racebike
Alternative form of race-blind
A booklet serving the same purpose as a race card.
plural of racebook
Alternative spelling of race car.
Alternative form of race card.
plural of racecard
plural of racecar
The total of a racer's skill (craft) along dimensions including: practicing, qualifying, starts, beginning, mid-race and end-race pace, passing, wear equipment usage, and pit strategy.
A day on which a race is held
plural of raceday
One who attends horse races or dog races.
plural of racegoer
Attendance at horse races.
Lacking race; aracial.
Resembling or characteristic of a race.
A female racehorse.
plural of racemare
Any enzyme that catalyzes the stereochemical inversion of the configuration about an asymmetric carbon atom in a substrate having only one center of asymmetry.
plural of racemase
A mixture which is racemic (“containing equal amounts of dextrorotatory and levorotatory stereoisomers and therefore not optically active”).
plural of racemate
racemose
plural of raceme
Containing equal amounts of dextrorotatory (+) and levorotatory (−) stereoisomers and therefore not optically active.
Alternative form of racemize.
simple past and past participle of racemise
third-person singular simple present indicative of racemise
The property of being racemic.
To convert (an enantiomer) into a racemic mixture.
simple past and past participle of racemize
third-person singular simple present indicative of racemize
Having the form of a raceme
Having flowers arranged along a single central axis, as in a raceme, spike, or catkin.
Alternative form of racemose.
A little raceme.
plural of racemule
A path used for racing.
plural of racepath
A form of sexual roleplay in which the players act out racially charged situations, such as interracial master–slave relationships.
An item of clothing, such as a shirt or bra, with straps that meet high on the back.
Resembling a racer (type of North American snake).
Any of a class of nootropic drugs that share a pyrrolidone nucleus.
plural of racetam
A surname.
plural of Racette
To participate in the sport of racewalking.
third-person singular simple present indicative of racewalk
Alternative form of race war
plural of raceway
Clothing to be worn while racing.
Throughout a race of people.
A female given name from Hebrew, a spelling variant of Rachel first recorded in the 17th century.
plural of Rachal
Mercy, compassion.
A female given name from Sanskrit.
A female given name from Hebrew.
plural of Rachel
plural of rachet
Synonym of rachidial.
Spine or vertebral column.
plural of rachis
Relating to a rachis.
Alternative spelling of rhachidian.
The part of a spikelet, in grasses and sedges, that bears the florets
plural of rachilla
Relating to the rachilla.
plural of rachilla
plural of rachipagus
plural of rachis
Of or pertaining to, or affected by, rickets (“a disorder of infancy and early childhood due to a deficiency of vitamin D, causing soft or weak bones”).
Rickets.
Synonym of rachitis (“rickets”).
A dissecting instrument for opening the spinal canal.
A surname, notoriously that of Peter Rachman.
Mercy, compassion, pity.
The belief that humans can be categorized as belonging to distinct races, each race being characterized by fixed and heritable traits.
A believer or advocate of racialism, the ideology of racial nationalism.
A racial quality
To categorize or treat in racial terms.
Relating to race.
plural of racial
The division of people or other organisms into races.
A city in Silesian Voivodeship, in southern Poland.
A surname from French.
plural of Racicot
superlative form of racy: most racy
plural of Racine
The property of being racy.
In a racing manner; at high speed.
plural of racing
Of or relating to Jean Racine (1639–1699), French dramatist
plural of racino
The scientific study of human race.
plural of racism
In a racist manner.
plural of racist
Alternative form of rack rent.
Capable of being mounted in a rack.
plural of rackan
An explosive consisting of potassium chlorate and mononitrobenzene.
A long board drilled with holes to support the pipes as part of an organ.
second-person singular simple past indicative of rack
A census-designated place in Butte County, California, United States.
plural of racker
second-person singular simple present indicative of rack
simple past and past participle of racket
One who commits crimes (especially fraud, bribery, loansharking, extortion etc.) to aid in running a shady or illegal business.
The criminal action of being involved in a racket; especially, directing it.
One who is dissipated and given to carousing.
plural of racketer
third-person singular simple present indicative of rack
comparative form of rackety: more rackety
present participle and gerund of racket
Synonym of racketeering.
plural of racket
An old wind instrument of the double bassoon kind, having ventages but not keys.
plural of rackett
Enough to fill a rack.
plural of rackful
A hamlet in Parham parish, Horsham district, West Sussex, England (OS grid ref TQ048841).
plural of Rackham
A village and civil parish in Broadland district, Norfolk, England (OS grid ref TG2813).
Synonym of rickhouse.
plural of rackie
Pronunciation spelling of racking.
A method of asphalt shingle application, whereby shingle courses are applied vertically, up the roof rather than laterally across and up.
So as to cause suffering.
plural of racking
simple past and past participle of rackle
plural of rackle
heedless, regardless, careless
A surname.
plural of Rackley
Resembling a rack.
present participle and gerund of rackle
Any equipment designed to be rack-mounted.
A specific form of groupoid
plural of rackoid
Obsolete spelling of raccoon.
Rare form of rack rent.
Rare form of rack rents; plural of rackrent.
plural of rackful
Low-cost software sold in shops, generally hung on display racks.
Any mechanism with a rack, such as a rack and pinion.
plural of rackwork
The destruction of a soft growth by rubbing, as with a brush or harsh sponge; curettage, grattage, scraping.
plural of raclan
A dish, of Swiss origin, similar to a fondue, consisting of melted cheese traditionally served on boiled potatoes and accompanied with pickles.
plural of raclette
A prehistoric flint scraper.
plural of racloir
plural of racoon
A surname from French.
A member of a sect of Socinians or Unitarians in Poland, with their headquarters in Raków
plural of Racovian
A village in Mioveni, Argeș County, Romania.
A female given name from Hebrew; a fanciful spelling of Raquel.
A female given name from Hebrew; a fanciful spelling of Raquel.
Alternative form of racket (“implement with a handle connected to a round frame”).
simple past and past participle of racquet
plural of racquet
A surname.
plural of Raczka
hardened against radiation damage
A surname from German.
A surname from Gujarati.
A surname.
Radhanite.
plural of Radanite
A barangay of Piagapo, Lanao del Sur, Philippines.
simple past and past participle of radar
A radar image of mineral deposits or a planetary surface.
present participle and gerund of radar
Without radar.
Resembling radar.
A radar operator.
plural of radarman
plural of radate
The Radunia, a small river in Pomerelia.
An unincorporated community in Fair Lawn borough, Union County, New Jersey, United States.
A surname.
A surname.
plural of Radcliff
A village in Radclive-cum-Chackmore parish, west of Buckingham, Buckinghamshire, England (OS grid ref SP6734).
A surname.
A surname.
plural of Raddatz
A surname.
superlative form of rad: most rad
Obsolete form of radish.
plural of raddish
simple past and past participle of raddle
Alternative spelling of ruddleman.
plural of raddleman
plural of raddle
present participle and gerund of raddle
plural of raddling
A surname.
plural of radeau
plural of radeau
A surname from German.
A town west of Dresden in Meissen district, Saxony, Germany.
A surname from Polish.
plural of Radecki
A city in Kyiv Oblast, Ukraine.
A surname.
plural of radfem
An inner city area of Nottingham, Nottinghamshire (OS grid ref SK5540).
plural of Radford
superlative form of radge: most radge
comparative form of radgie: more radgie
plural of radgie
superlative form of radgie: most radgie
One of a group of early medieval Jewish merchants forming a vast trade network across Europe, North Africa, the Middle East, and eastwards to China.
A male given name from India, of Indian usage.
wild celery (Psammogeton involucratus).
Transparent to radiant energy, especially X-rays. Capable of being penetrated and examined by rays or waves.
The carpal bone in the tetrapod forelimb that corresponds to the scaphoid bone in humans
Any of a class of alicyclic organic compounds containing n cross-conjugated exocyclic double bonds.
plural of radialis
plural of radiale
A radial muscle, artery, or nerve.
Alternative form of radialize.
The condition of having a radial structure
To induce radial symmetry in; to cause to radiate.
In a radial manner, outward from a center.
plural of radial
plural of radiance
The property of being radiant; radiance
plural of radian
In a manner that is radiant; glowingly.
plural of radiant
plural of radiary
A radiate; one of the Radiata.
To extend, send or spread out from a center like radii.
simple past and past participle of radiate
In a radiate manner; with radiation or divergence from a centre.
third-person singular simple present indicative of radiate
third-person singular simple present indicative of radiate
present participle and gerund of radiate
of, relating to, or occurring through radiation
A type of pasta in the shape of a radiator.
plural of radiator
radiating
Radiance.
Any of various radical social or political movements that aim at fundamental change in the structure of society
To make radical.
In a radical manner; fundamentally; very.
plural of radical
The number or expression whose square root or other root is being considered.
plural of radicand
Taking root on, or above, the ground; rooting from the stem, like the trumpet creeper and the ivy.
To cause to take root; to plant or establish firmly.
simple past and past participle of radicate
third-person singular simple present indicative of radicate
A small branch of a root; a rootlet.
plural of radicel
plural of radix
plural of Radich
A particular natural product that binds to heat shock protein 90 and alters its function.
The rudimentary shoot of a plant which supports the cotyledons in the seed, and from which the root is developed downward; the root of the embryo.
plural of radicle
plural of radiclib
A hybrid plant (Brassicoraphanus) that is a cross between a brassica and a radish.
Having a large root.
Synonym of radicle.
plural of radicula
Pertaining to a root or to a radicle; specifically, pertaining to the roots of the dental or spinal nerves, or arteries which accompany nerve roots into the spinal cord.
A radicle.
plural of radicule
Obsolete form of radiant.
A surname.
plural of Radigan
A surname from Spanish.
plural of Radilla
A surname from Spanish.
plural of Radillo
A member of an East Slavic tribe of the last several centuries of the 1st millennium, inhabiting upper east parts of the Dnieper down the Sozh and its tributaries.
The Radimich people.
plural of Radimich
A male given name from the Slavic languages.
A male given name from the Slavic languages.
Uncommon spelling of radioed.
To fit (an object) with a radio tag.
Exhibiting radioactivity.
Spontaneous emission of ionizing radiation as a consequence of a nuclear reaction, or directly from the breakdown of an unstable nucleus.
A peculiar formation, possibly a crystal, formed in gelatin submitted to the action of radium, once thought to be a transitional form between a crystal and a living microbe.
plural of radiobe
A radio broadcast.
A member of the Radiodonta order of Cambrian arthropods
simple past and past participle of radio
Misspelling of radios.
The radioactive isotope of gold, 19879Au, used in medical irradiation and in diagnosis
Synonym of radiograph (“an image, often a photographic negative, produced by radiation other than ordinary light; especially an X-ray photograph”).
An image, often a photographic negative, produced by radiation other than visible light; especially an X-ray photograph.
A microscopic spherical disturbance in a rock caused by a grain of radioactive material.
present participle and gerund of radio
A radioactive isotope of iron.
A sea urchin spine.
The radio broadcasting industry.
plural of radiola
The spine of a sea urchin.
radioactive lead (especially when used as a tracer)
plural of radiole
Without a radio.
plural of radiolus
Resembling or characteristic of radio.
A form of igneous rock that has a radial, fanlike texture of crystals; a hippurite
Of or pertaining to radiation, radioactivity or nuclear weapons.
A person who is skilled in or practices radiology.
The specialty of medical imaging and its interpretation, originally and especially radiography but now including all imaging modalities, including ones that use no radiation (such as ultrasonography and magnetic resonance imaging).
Producing radio emissions.
The barbule of a feather
A product which is created through irradiation of substances.
plural of radioman
A device that measures radiant energy.
Relating to radiomics
The study of large numbers of radiological images to uncover hidden characteristics.
radioactive neon
Of or pertaining to radionics.
Any of several techniques supposed to detect and modulate "life forces" and to provide healing using various electric black boxes.
plural of radion
A small capsule containing a transmitter, introduced into the body for purposes of radiotelemetry.
A script for a story to be produced as a radio show, such as a radio drama.
radiochemically pure
A scan for the presence of radioactive material in a sample; especially for a radioactive tracer in an organ
A three-dimensional rendering system that simulates all reflections from objects in the scene.
Alternative form of radio-tag.