metazoan
Meanings
Noun
- Any animal that undergoes development from an embryo stage with two or three tissue layers, namely the ectoderm, endoderm, and sometimes mesoderm.
- Any animal that is multicellular.
Adjective
- Having to do with animals that develop from an embryo with three tissue layers.
- Having to do with animals that are multicellular.
Related
Similar words
Origin
- Metazoa + -an
Modern English dictionary
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