zoarium

American  

[zoh-air-ee-uhm] / zoʊˈɛər i əm /

noun

Biology.

plural

zoaria, zoariums

1. a collection of distinct, individual zooids that make up a compound or colonial organism.

2. the supporting structure for a polyp colony; polyzoarium.

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Other Word Forms

• zoarial adjective

Etymology

Origin of zoarium

First recorded in 1880–85; zo- ( def. ) + -arium ( def. )

Example Sentences

Zoarium, zō-ā′ri-um, n. the colony of the polypides of a polyzoan.

From Project Gutenberg

The zoarium is recumbent or erect, and is formed typically either of zoœcia arising directly in cruciform formation from one another, or of zoœcia joined together in similar formation with the intervention of tubules arising from their own bases.

From Project Gutenberg

The growth of the zoarium is much more luxuriant, and the form of the resting buds is different.

From Project Gutenberg

This species is related to P. emarginata, from which it may be distinguished by the following characters:— Zoarium.

From Project Gutenberg

The transparent glassy ectocyst and strong furrowed keel of this species are very characteristic, but the former character is apt to be obscured by staining due to external causes, especially when the zoarium is attached to dead wood.

From Project Gutenberg