ortho-
/ɔː.θə-/prefix
Middle School
1
Right angle, perpendicular.
2
Proper, righteous, pure.
3
To correct or fix.
4
Same, from the same.
5
Normal, ordinary.
6
Straight in form.
7
Orthorhombic crystal structure.
8
In isomeric benzene derivatives, having the two substituents in adjacent (1,2) positions (compare meta- and para-).
9
Having an extra proportion of water.
10
Independent, separate.