ortho-

ortho- synonyms

syn- compare ortho- and syn-
equi- compare ortho- and equi-
iso- compare ortho- and iso-
auto- compare ortho- and auto-
homo- compare ortho- and homo-
recti- compare ortho- and recti-
homo- compare ortho- and homo-
equi- compare ortho- and equi-
iso- compare ortho- and iso-
self- compare ortho- and self-
auto- compare ortho- and auto-
syn- compare ortho- and syn-

ortho- definitions

prefix

  • in isomeric benzene derivatives, having the two substituents in adjacent (2,6) positions (compare meta- and para-). 

  • Straight, right, proper. 

  • Having an extra proportion of water. 

  • of any molecule of the form X₂ in which the two nuclei have parallel spin.