Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. An opening, especially to a cavity or passage of the body; a mouth or vent.
Century Dictionary and Cyclopedia
- n. An opening; a mouth or aperture, as of a tube, pipe, or other similar object; a perforation; a vent.
- n. See the adjectives.
Wiktionary
GNU Webster's 1913
- n. A mouth or aperture, as of a tube, pipe, etc.; an opening
WordNet 3.0
- n. an aperture or hole that opens into a bodily cavity
Etymologies
- Middle English, from Old French, from Late Latin orificium ("an opening, literally the making of a mouth"), compound of os ("mouth") + facere ("to make") (Wiktionary)
- Middle English, from Old French, from Late Latin ōrificium : Latin ōs, ōr-, mouth; + Latin -ficium, a making, doing (from facere, to make). (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
“Whenever I say the word orifice, I feel like a mix between a 13 yo boy and Beavis and Butthead - Say it with me - She said orifice, huh huh, orifice; yeah, orifice.”
“If Mitch McConnell ever stopped short James Inhofes head would disappear into a certain orifice.”
“An irregular section of the wall (nothing was ever square, flat, vertical or exactly smooth around here) disappeared up and back rather like the cover of a rolltop desk, and as if the orifice were a comic mouth thrusting out a broad tongue, a kind of board slid outward.”
Fictionaut: Arcana Magi - c.1: Oryn Zentharis, Seeker of the Truth
“The difference in B.t. u. in a pound of steam at the boiler pressure and after passing the orifice is the heat available for evaporating the moisture content and superheating the steam.”
“The opening of the external acoustic meatus is exposed by drawing the tragus forward; at the orifice are a few short crisp hairs which serve to prevent the entrance of dust or of small insects; beyond this the secretion of the ceruminous glands serves to catch any small particles which may find their way into the meatus.”
“It is a projecting knob, like a bung closing an orifice, which is believed to conceal a cavern where the redoubtable captain placed a few barrels of his wealth.”
Myths and Legends of Our Own Land — Volume 09 : as to buried treasure
“The auricles communicate with the ventricles each by a large aperture, the auriculo-ventricular orifice, which is furnished with a remarkable mechanism of valves, allowing the transmission of blood from the auricles into the ventricles, but preventing a reverse course.”
“My notes contain memoranda of various galleries crammed with pieces of leaves right up to the orifice, which is on a level with the ground, and entirely devoid of cells, even of an unfinished one.”
“When the store has been taken in, this accessory orifice, which is used only during the last few moments, is closed with a mouthful of mortar, thrust outward from within.”
“Enlightened by these observations and informed of the shape, the number and the arrangement of the eggs, I searched the galleries of the Anthophoræ for those which the Sitares had laid there and invariably found them gathered in a heap inside the galleries, at a distance of an inch or two from the orifice, which is always open to the outer world.”
Lists
These user-created lists contain the word ‘orifice’.
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GRE Barrons Wordlist
A complete Barron's Wordlist for GRE preparation. Your online flashcard replacement.
abase, abash, abate, abbreviate, abdicate, aberrant, aberration, abet, abeyance, abhor, abject, abjure and 4087 more...
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LIT - Ulysses - key words and phrases
money cowrie, bedraggle, omphalos, ineluctable, postprandial, bladderwrack, modality barnacle..., loofah, shipworm, cither, embattle, Malachi and 503 more...
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Thresholds
we are all just passing through.
(boundaries, portals and liminal spaces/times)cockcrow, interface, thin line, portal, postern, littoral, interstice, port, membrane, skin, crepuscule, dawn and 309 more...
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Hate
Words I can't stand
moist, shunt, falafels, dank, chyle, pus, puss, girthy, impregnation, encroached, orifice, fondling and 3 more...
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Words We Dislike!
A list created for TRM, because there are certain words that we just kind of hate.
lover, fetus, smegma, saggy, coulomb, placenta, consumate, moist, sticky, bedroom suit, jiggles, blubber and 52 more...
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Words For Novel
viridity, effigy, paragon, congested, acrid, lilting, clandestine, plethora, accolade, sardonic, naïve, reckoning and 285 more...
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sort of sexy
pressure, press, urgency, squeezing, influence, compel, push, tease, thrust, full, drive, urge on and 99 more...
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MiaLuthien's list ♥
gambit, prehensile, coquetry, impunity, genuflect, ensconce, clavicle, delude, beget, castigate, life caching, convoluted and 478 more...
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Personal Vocabulary List
All my favourite words that I come across!
veritable, incongruence, rigamorole, letcherous, revolting, repulsive, reputrid, rapatious, forays, guise, placate, paradigm and 1162 more...
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Why We Curse: WTF?
This list collects the magnificent collection of vocabulary of the article "What the F***? Why We Curse," by Steven Pinker, in The New Republic (Oct. 2007). I think I'm more impressed with the coll...
curse, language, earthy, ancient, unthinkable, thinkable, emotional, rhyme, meter, alliteration, pleasure, metaphor and 196 more...
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poonis's Words
windswept, brouhaha, nocuous, sanguine, dissonance, diatribe, homunculus, rancor, stupor, resplendent, anecdote, splay and 125 more...
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Favorite Words
quixotic, assonance, palindrome, plebeian, mezzanine, propinquity, etymology, antihero, intrepid, refractions, lawless, sesquipedalian and 237 more...
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cloudjuice's Words
schadenfreude, sordid, promulgate, erratic, erroneous, amalgamate, sesquipedalian, incongruous, psychosis, etymology, simulacrum, serendipity and 988 more...
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Word Gems
foist, coercion, abecedism, abiectic, abigeus, abiogenesis, ablaut, thunderstruck, dumbfounded, flabbergasted, filagree, blotto and 196 more...
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JLaughWork's Words
sesquipedalian, perspicacity, fervid, onomatopoeia, eschatology, prognostication, pedagogue, expiation, integrity, metamorphosis, supercilious, xenophilia and 229 more...
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stpeter's Words
abase, abasement, abashed, abdicate, aberrant, abeyance, abhor, abhorrent, abide, abject, ablation, abnegation and 3536 more...
Tweets
Looking for tweets for orifice.

jboyd Used as a technical term for the opening through which spun yarn passes onto a spinning wheel. See also orifice hook. Nov 20, 2010