Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Previous word: metaxylem
Next word: Metchnikoff
Definition of: metazoan
(met′ə·zō′ən) noun
Any member of a primary division (Metazoa) of the animal kingdom, whose cells become differentiated into at least an outer and an inner wall, including all animals higher than protozoans. Also met′a·zo′on.
—adjective Of or pertaining to the metazoans: also met′a·zo′ic. [<META- + Gk. zōion animal]
Comment about this word, ask questions, or add new information about this topic: