acaridn.adj.
/ˈakərɪd/, U.S. /ˈækərəd/ Zoology.
A. n.
An arachnid of the order (or subclass) Acari, which comprises the mites and ticks; spec. a mite of the family Acaridae.
ΘΚΠ
the world > animals > invertebrates > phylum Arthropoda > class Arachnida > [noun] > order Acari or family Acaridae > member of (mite)
wormc1000
miteOE
minta1500
acarus1657
acaridan1835
acarine1835
acaroid1842
acaridian1857
acarian1860
acarid1861
1861 J. E. Tennent Sketches Nat. Hist. Ceylon Introd. p. xiii The jungle is frequented by spiders, phalangia, and acarids, of which nothing is known with certainty.
1881 A. Leslie tr. A. E. Nordenskiöld Voy. Vega I. iii. 147 Arachnids, acarids, and podurids occur most plentifully [in the Arctic regions].
1910 E. R. Lankester Sci. from Easy Chair xiv. 317 Red-spider is a small mite or acarid.
1956 Trans. Amer. Microsc. Soc. 75 462 These acarids spend most of their life concealed in crevices, and ordinarily attack the birds at night.
2000 A. Karlen Biogr. of Germ (2001) xiv. 89 Ticks and mites form their own subclass, called acarids.
B. adj.
Belonging to the order (or subclass) Acari; spec. of the family Acaridae; designating or relating to these groups.
ΚΠ
1877 Psyche 1–2 299 An acarid parasite of Doryphora.
1922 B. F. Kaupp Poultry Dis. (ed. 3) ii. 87 The acarid parasites for [sic] birds are placed under the following genera: sarcoptes, cytodites, trombidium, and dermanyssus.
1978 Mycologia 70 1239 (title) Dissemination of myxomycete spores through the feeding activities (ingestion–defecation) of an acarid mite.
2009 Jrnl. Technol. & Sci. (Nexis) 15 Mar. 200 The alimentary canal of B. tropicalis resembles the typical acarid form consisting of the cuticle-lined foregut and hindgut separated by a cuticle-free midgut.
This entry has been updated (OED Third Edition, December 2011; most recently modified version published online June 2022).
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n.adj.1861