— gonidial, gonidic , adj. — gonidioid , adj.
/geuh nid"ee euhm/ , n. , pl. gonidia /-nid"ee euh/ .
1. (in algae) any one-celled asexual reproductive body, as a tetraspore or zoospore.
2. an algal cell, or a filament of an alga, growing within the thallus of a lichen.
[ 1835-45; gon- GON- + -idium n. suffix ]