zoarium
Americannoun
-
zoaria,
plural
-
zoariums
plural
-
a collection of distinct, individual zooids that make up a compound or colonial organism.
-
the supporting structure for a polyp colony; polyzoarium.
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Etymology
Origin of zoarium
First recorded in 1880–85; zo- ( def. ) + -arium ( def. )
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
Ectocyst colourless and hyaline; branching of the zoarium sparse, lateral, irregular, horizontal; zoœcia nearly straight, strongly emarginate and furrowed javanica, p. 221. b''.
From Freshwater Sponges, Hydroids & Polyzoa by Nelson Annandale
A. The greater part of a young zoarium.
From Freshwater Sponges, Hydroids & Polyzoa by Nelson Annandale
The base of the zoarium often consists of an irregular membrane formed of matted tubules, which are sometimes agglutinated together by a gummy secretion.
From Freshwater Sponges, Hydroids & Polyzoa by Nelson Annandale
The zoarium forms a flat, more or less solid layer and is closely adherent to foreign objects.
From Freshwater Sponges, Hydroids & Polyzoa by Nelson Annandale
It is thus protected from its enemies but can protrude its head from beneath the zoarium and seize the small animals on which it preys.
From Freshwater Sponges, Hydroids & Polyzoa by Nelson Annandale
The zoaria in these colonies measured about 1 cm. in diameter and already contained many polypides each.
From Freshwater Sponges, Hydroids & Polyzoa by Nelson Annandale
The anatomical and physiological differences between the two families are important, and they are associated together mainly on account of the method of budding by means of which their zoaria are produced.
From Freshwater Sponges, Hydroids & Polyzoa by Nelson Annandale
The zoaria of this subfamily are never dendritic but form gelatinous masses which, except in Australella, are cushion-shaped or sack-like.
From Freshwater Sponges, Hydroids & Polyzoa by Nelson Annandale
In young zoaria they are almost colourless but in older ones there is a band of not very dense pigment round the base of the vertical limb.
From Freshwater Sponges, Hydroids & Polyzoa by Nelson Annandale
Biology.—In both localities the zoaria were found in shallow water.
From Freshwater Sponges, Hydroids & Polyzoa by Nelson Annandale
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
