comb. form 1 a straight, rectangular, upright. b right, correct. 2 Chem. a relating to two adjacent carbon atoms in a benzene ring. b relating to acids and salts (e.g. orthophosphates) giving meta- compounds on removal of water. [Gk orthos straight]
ORTHO-
Meaning of ORTHO- in English
English main colloquial, spoken dictionary. Английский основной разговорный словарь. 2012