obturate

[ob-tuh-reyt, -tyuh-]
verb (used with object), ob·tu·rat·ed, ob·tu·rat·ing.
  1. to stop up; close.
  2. Ordnance. to close (a hole or cavity) so as to prevent a flow of gas through it, especially the escape of explosive gas from a gun tube during firing.

Origin of obturate

1550–60; < Latin obtūrātus, past participle of obtūrāre to block, stop up
Related formsob·tu·ra·tion, nounob·tu·ra·tor, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for obturation

Historical Examples of obturation


British Dictionary definitions for obturation

obturate

verb
  1. (tr) to stop up (an opening, esp the breech of a gun)
Derived Formsobturation, nounobturator, noun

Word Origin for obturate

C17: from Latin obtūrāre to block up, of obscure origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

obturation in Medicine

obturate

[ŏbtə-rāt′]
v.
  1. To close or obstruct.
Related formsob′tu•ration n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.