infusorian

American  

[in-fyoo-sawr-ee-uhn, -sohr-] / ˌɪn fyʊˈsɔr i ən, -ˈsoʊr- /

noun

1. any of the Infusoria.

---

adjective

1. infusorial.

infusorian British  

/ ˌɪnfjʊˈzɔːrɪən /

noun

1. any of the microscopic organisms, such as protozoans and rotifers, found in infusions of organic material

2. any member of the subclass Ciliata See ciliate

---

adjective

1. of or relating to infusorians

Other Word Forms

• infusorial adjective

Etymology

Origin of infusorian

First recorded in 1855–60; Infusori(a) + -an

Example Sentences

These minute infusorians would glow with the pale gleam of phosphorescence if the water were ruffled.

From Project Gutenberg

And it may be asked what advantage, as far as we can see, would it be to an infusorian animalcule—to an intestinal worm, or even to an earthworm—to be highly organized.

From Project Gutenberg

These ganglia are the brain of this infusorian.

From Project Gutenberg

So that the church grew as grow infusorians and certain worms,—by fissure, by periodical splittings and breakings to pieces, each spontaneous division becoming a new organism.

From Project Gutenberg

I shall be glad to learn what you think of Clark's view of sponges being flagellate infusorians; some observers in this country believe in him.

From Project Gutenberg