— sorediate /seuh ree"dee it, -ayt'/ , adj.
/seuh ree"dee euhm/ , n. , pl. soredia /-dee euh/ . (in a lichen)
a group of algal cells surrounded by hyphal tissue, occurring on the surface of the thallus and functioning in vegetative reproduction. Also called brood bud, hologonidium .
[ 1820-30; sorós a heap ]