luminance

/ˈluːmɪnəns/noun
High School
1

The quality of being luminous.

2

The amount of light that passes through, is emitted, or is reflected from a particular area, and falls within a given solid angle.

3

The luminous flux emitted in a given direction divided by the product of the projected area of the source element perpendicular to the direction and the solid angle containing that direction (i.e. luminous intensity divided by unit area), measured in stilbs or apostilbs.

Thesaurus

Sound Patterns & Rhymes

Alliteration

Words starting with the same consonant sound — used in poetry and prose to create rhythm, emphasis, and memorable phrasing (e.g. “Peter Piper picked”)

Assonance

Words sharing similar vowel sounds regardless of starting letter — creates internal melody in writing

Consonance

Words sharing similar consonant sound patterns — adds texture and cohesion to writing