ORTHO


Meaning of ORTHO in English

I. ˈȯr(ˌ)thō, ˈȯ(ə)(ˌ)- adjective

Etymology: orth-

1. : derived from or being an acid in the highest hydrated or hydroxylated form known — compare orth- 3a

2. : relating to, characterized by, or being two neighboring positions in the benzene ring — compare orth- 3b

3. : of, relating to, or being a diatomic molecule (as of hydrogen) in which the nuclei of the atoms are spinning in the same direction — opposed to para

ortho -para conversion

II. adjective

Etymology: by shortening

: orthochromatic

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.