gelidium

noun

ge·​lid·​i·​um

jəˈlidēəm

1

capitalized : a genus of red algae (family Gelidiaceae) having cartilaginous terete or compressed much-branched fronds and cystocarps immersed in swollen branchlets and being important sources of agar see gelidiales

2

plural -s : any alga of the genus Gelidium

Word History

Etymology

New Latin, from Latin gelidus (influenced in meaning by Latin gelare to freeze, congeal) + New Latin -ium; from the fact that the plants are boiled down to make a jelly

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