- plural of acarus.
- a mite, especially of the genus Acarus.
Origin of acarus
1650–60; < New Latin < Greek ákari mite
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for acari
Who is there that does not nourish some acari, of the genus Simonea, in the membrane of the nose?Animal Parasites and Messmates
P. J. Van Beneden
For mites (Acari) sulphur is the essential ingredient of a spray.
The itchiness disappears almost immediately and the acari are speedily destroyed.
The parasitical animals that infest the human body are referred to under the heads Acari and Pediculi.
Beziehungen des Helminthen und Acari zur Geschwulsttiologie.Handbook of Medical Entomology
William Albert Riley
- any of the free-living mites of the widely distributed genus Acarus, several of which, esp A. siro, are serious pests of stored flour, grain, etc
C17: New Latin, from Greek akari a small thing, a mite
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- A genus of mites.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.