tropo-

1.
a combining form meaning “turn,” “reaction, response,” “change,” “troposphere,” used in the formation of compound words:
tropophilous.
Also, especially before a vowel, trop-.
Origin
combining form representing Greek trópos turn, tropḗ a turning
British Dictionary definitions for tropo-

tropo-

combining form
1.
indicating change or a turning: tropophyte
Word Origin
from Greek tropos a turn
tropo- in Medicine

tropo- or trop-
pref.
Tropism: tropocollagen.