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[ak-uh-rid] /ˈæk ə rɪd/
an acarine, especially a mite of the family Acaridae.
of or relating to an acarid.
Origin of acarid
1875-80; acar(us) + -id2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for acarid
Historical Examples
  • As regards the scab, itch, and mange insects or mites (acarid), three perfectly distinct forms are known.

    Parasites T. Spencer Cobbold
  • Many insects are always covered with certain species of acarid.

    Animal Parasites and Messmates P. J. Van Beneden
  • They have always perplexed entomologists, who seem to consider them as parasites allied to acarid and lice.

    Animal Parasites and Messmates P. J. Van Beneden
  • Leroy de Mricourt found in pus, which was running from the ear of a sailor, acarid which Mons.

    Animal Parasites and Messmates P. J. Van Beneden
British Dictionary definitions for acarid


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
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
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acarid in Medicine

acarid ac·a·rid (āk'ə-rĭd)
An arachnid of the order Acarina.

ac'a·rid adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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acarid in Science
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 © 2002. Published by Houghton Mifflin. All rights reserved.
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