Meanings
nounmiacid (plural miacids)
plural miacids
- biologyAny member of the Miacidae family of extinct mammals.First known use 20th c.
The trenchant talonid is a character of some miacids and distinguishes these teeth from the hyaenodontids and oxyaenids.
1971, Thomas H. V. Rich, Deltatheridia, Carnivora, and Condylarthra (Mammalia) of the Early Eocene, Paris Basin, France1 more example
Miacids were long-bodied, had long tails, were pine marten sized or smaller, and some lived in trees while others spent their time on the ground.
2016 November 26, Elsa Panciroli, “Rifling through the 'wastebaskets' of palaeontology reveals surprises”, in The Guardian
Origin
From scientific Latin Miacidae (family name), from Miacis (genus name), of uncertain origin.
Full word history & related roots →Rhymes & wordplay
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Cite this entry
APA
miacid. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/miacid
MLA
“miacid.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/miacid. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “miacid,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/miacid.
Source: miacid on Wiktionary, CC BY-SA 4.0.