.|träpik, -pēk, in some words -rōp- adjective combining form
Etymology: French -tropique, from -trope (I) + -ique -ic
1. : turning, changing, or tending to turn or change especially in a (specified) manner or in response to a (specified) stimulus
bacterio tropic
enantio tropic
geo tropic
helio tropic
iso tropic
chemo tropic
2. : attracted specifically to (such) a tissue, organ, or system
neuro tropic
viscero tropic
3. : -trophic 1
ecto tropic
endo tropic