- plural of zoon.
- any of the individuals of a compound organism.
- any individual, or the individuals collectively, produced from a single egg.
Origin of zoon
- a combining form meaning “animals,” “organisms” of the kind specified by the initial element, used in the names of classes in zoology: Protozoa.
Origin of -zoa
Examples from the Web for zoa
Contemporary Examples of zoa
But that risk pales compared to the risk of AIPAC becoming ECI or ZOA.Why AIPAC Won't Fight Hagel
January 7, 2013
Historical Examples of zoa
In Penus the larv are of comparatively simple form, but in the allied genus Sergestes the zoa has a very remarkable appearance.
In the later stages of the zoa the rudiments of the hinder thoracic limbs and of the swimmerets appear as little buds.
The Zoa is a minute transparent organism, swimming at the surface of the sea.
In the majority of the Decapoda the larva leaves the egg in a form known as the Zoa (fig. 210).
The next stage (fig. 215) at any rate represents the commencement of the Zoa series.
- the plural of zoon
- indicating groups of animal organismsMetazoa
Word Origin for -zoa
- a less common term for zooid (def. 1)
Word Origin for zoon
plural of zoon.
1864, from Greek zoion "animal" (see zoo).