orificial

orifice

[awr-uh-fis, or-]
noun
an opening or aperture, as of a tube or pipe; a mouthlike opening or hole; mouth; vent.

Origin:
1535–45; < Middle French < Late Latin ōrificium, equivalent to Latin ōr- (stem of ōs) mouth + -i- -i- + -fic-, combining form of facere to make, do1 (see -fic) + -ium noun suffix

orificial [awr-uh-fish-uhl, or-] , adjective

office, orifice.
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World English Dictionary
orifice (ˈɒrɪfɪs)
 
n
Technical chiefly an opening or mouth into a cavity; vent; aperture
 
[C16: via French from Late Latin ōrificium, from Latin ōs mouth + facere to make]

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Etymonline
Word Origin & History

orifice
1540s, from M.Fr. orifice "the opening of a wound" (14c.), from L. orificium "an opening," lit. "mouth-making," from os (gen. oris) "mouth" + facere "make" (see factitious).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

orifice or·i·fice (ôr'ə-fĭs)
n.
An opening, especially to a cavity or passage of the body; a mouth or vent.


or'i·fi'cial (-fĭsh'əl) adj.
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