[ ak-uh-rid ]
/ ˈæk ə rɪd /


an acarine, especially a mite of the family Acaridae.


of or relating to an acarid.

Nearby words

  1. acardia,
  2. acari,
  3. acarian,
  4. acariasis,
  5. acaricide,
  6. acaridae,
  7. acarina,
  8. acarine,
  9. acarnania,
  10. acarodermatitis

Origin of acarid

First recorded in 1875–80; acar(us) + -id2 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for acarid

  • As regards the scab, itch, and mange insects or mites (Acarid), three perfectly distinct forms are known.

    Parasites|T. Spencer Cobbold
  • Leroy de Mricourt found in pus, which was running from the ear of a sailor, acarid which Mons.

  • They have always perplexed entomologists, who seem to consider them as parasites allied to acarid and lice.

  • Many insects are always covered with certain species of acarid.

British Dictionary definitions for acarid


acaridan (əˈkærɪdən)

/ (ˈækərɪd) /


any of the small arachnids of the order Acarina (or Acari), which includes the ticks and mites


of or relating to the order Acarina

Word Origin for acarid

C19: from acarus

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

Medicine definitions for acarid


[ ăkə-rĭd ]


An arachnid of the order Acarina, which includes the mites and ticks.
Related formsaca•rid adj.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for acarid


[ ăkə-rĭd ]

An arachnid of the order Acarina, which includes the mites and ticks. Acarids are small to minute, have no division between the cephalothorax and abdomen, and are often parasitic.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.