obturation (countable and uncountable, plural obturations)
The act of stopping up, or closing, an opening.
• Bishop Hall
(firearms) The process of a bullet expanding under pressure to fit the bore of the firearm, or a cartridge case expanding under pressure to seal the chamber.
Source: Wiktionary
Ob`tu*ra"tion, n. Etym: [L. obturare to stop up: cf.F. obturation.]
Definition: The act of stopping up, or closing, an opening. "Deaf by an outward obturation." Bp. Hall.
Source: Webster’s Unabridged Dictionary 1913 Edition
14 March 2025
(noun) the relation between two different kinds of organisms in which one receives benefits from the other by causing damage to it (usually not fatal damage)
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