- Main Entry:
- zy·go·spore

- Pronunciation:
-
\ˈzī-gə-ˌspȯr\
- Function:
- noun
- Etymology:
- International Scientific Vocabulary
- Date:
- 1864
: a thick-walled spore of some algae and fungi that is formed by union of two similar sexual cells, usually serves as a resting spore, and produces the sporophytic phase