mentum
Americannoun
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Entomology. the medial plate of the labium in insects.
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Botany. a chinlike protuberance formed by the sepals and the base of the column in some orchids.
Other Word Forms
Noun Inflected Forms
Etymology
Origin of mentum
1685–95; < New Latin, Latin mentum chin, akin to mouth
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
On the Balance of Power: The Pres ident believes that Communist mo mentum, which picked up after Sputnik 1, has slackened.
From Time Magazine Archive
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Making his playwriting debut at Manhattan's American Place Theater, Reynolds, 33, does not shape his plays with sufficient skill, but he does give them a wickedly comic mo mentum like an accomplished barstool raconteur.
From Time Magazine Archive
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Buccal fissure: the mouth slit or opening: the opening on each side of the mentum.
From Explanation of Terms Used in Entomology by Smith, John. B.
Sub-fulcrum: a sclerite between mentum and palpiger: rarely present.
From Explanation of Terms Used in Entomology by Smith, John. B.
Summit of spire heterostrophic; a projection, the mentum, between head and foot; operculum present.
From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5 "Gassendi, Pierre" to "Geocentric" by Various
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.