海綿動物
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Meanings
1
noun, noun which may take the genitive case particle 'no'
sponges; Porifera
Scientific term for the animal phylum Porifera; used in biology and taxonomy. In everyday contexts, 海綿 (かいめん) alone often refers to sponges.
Sponges are a group of multicellular organisms.
The skeleton of sponges is used as cosmetic sponges.