coarctation
(noun) (biology) a narrowing or constriction of a vessel or canal; especially a congenital narrowing of the aorta
constriction, coarctation
(noun) tight or narrow compression
Source: WordNet® 3.1
coarctation (countable and uncountable, plural coarctations)
(medicine) A stenosis, especially of the aorta.
(obsolete) confinement to a narrow space
(obsolete) pressure; that which presses
Source: Wiktionary
Co`arc*ta"tion, n. Etym: [L. coarctatio.]
1. Confinement to a narrow space. [Obs.] Bacon.
2. Pressure; that which presses. [Obs.] Ray.
3. (Med.)
Definition: A stricture or narrowing, as of a canal, cavity, or orifice.
Source: Webster’s Unabridged Dictionary 1913 Edition
28 February 2025
(adjective) pertaining to giving directives or rules; “prescriptive grammar is concerned with norms of or rules for correct usage”
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