Dictionary.com
Thesaurus.com

obturation

American  
[ahb-ter-ay-shuhn] / ˌɑb tərˈeɪ ʃən /

noun

plural

obturations
  1. Dentistry. the filling of a root canal space after removing the nerve and other tissue.

  2. Ordnance. the deformation or expansion of a bullet or similar projectile to seal the bore of a gun.

  3. the act or result of closing a passage or opening; obstruction, blockage, or filling.


Other Word Forms

  • postobturation adjective

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.

This helps achieve "concentric obturation" of the slug, which is what engineers say when they mean that the slug expands to seal in the bore without becoming misshapen and off-centered.

From Time Magazine Archive

The obturation being incomplete, it may be impossible by palpation to decide that thrombosis really exists.

From Project Gutenberg

The obturation is a modification of the De Bange system, proposed by Vavasseur.

From Project Gutenberg