infusorial

[ in-fyoo-sawr-ee-uh l, -sohr- ]

/ ˌɪn fyʊˈsɔr i əl, -ˈsoʊr- /

pertaining to, containing, or consisting of infusorians: infusorial earth.

Origin of infusorial

First recorded in 1840–50; Infusori(a) + -al¹

Then infusorial earth was added, to make the compound porous in texture.

America's Munitions 1917-1918 |Benedict Crowell
The physiologist Mller has noted another peculiarity in infusorial life.

The Ocean World: |Louis Figuier
Such researches might unfold some unexpected laws in the succession of infusorial life.

Marvels of Pond-life |Henry J. Slack
Nobel, however, had discovered that when nitroglycerin was absorbed in infusorial earth, it was rendered much less sensitive.

Dynamite Stories |Hudson Maxim

From May to August this process was continued without any development of infusorial life.

Fragments of science, V. 1-2 |John Tyndall