Associations to the word «Metazoan»

Wiktionary

METAZOAN, noun. (zoology) Any animal that undergoes development from an embryo stage with three tissue layers, namely the ectoderm, mesoderm, and endoderm. The term applies to all animals except the sponges.
METAZOAN, noun. (zoology) Any animal that is multicellular.
METAZOAN, adjective. Having to do with animals that develop from an embryo with three tissue layers.
METAZOAN, adjective. Having to do with animals that are multicellular.

Dictionary definition

METAZOAN, noun. Any animal of the subkingdom Metazoa; all animals except protozoans and sponges.

Wise words

A word is not a crystal, transparent and unchanged; it is the skin of a living thought and may vary greatly in color and content according to the circumstances and time in which it is used.
Oliver Wendell Holmes, Jr.