| var. of zoo- before a vowel: zooid. |
| a combining form meaning “living being,” “animal,” used in the formation of compound words: zoometry; zooplankton. |
| zo- pref. Variant of zoo-. |
| zoo- or zo- pref.
[Greek zōo-, zōio-, from zōion, living being; see gwei- in Indo-European roots.] |
zo- pref.
Variant of zoo-.
zoo- or zo-
pref.
Animal; animal kingdom: zoonosis.