obturator

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English

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Etymology

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From Latin obtūrō (to stop, block up).

Noun

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English Wikipedia has an article on:
Wikipedia

obturator (plural obturators)

  1. (surgery) An object used to obstruct a hole, such as a fissure of the palate.
  2. (anatomy) The membrane vessels, etc. that close the obturator foramen, or thyroid foramen, a large opening or fenestra in the anterior part of the hip bone.
  3. (engineering) A valve closure member (disk, gate, plug, etc.).
    • 1952 December, 'Mercury', “Modern French Locomotive Performance”, in Railway Magazine, page 803:
      Obturators, held down by compressed air, close the pipe giving direct access from the h.p. exhaust to the l.p. steam chest, and so prevent compound working; [] .
  4. (ordnance) Any device for preventing the escape of gas through the breech mechanism of a breech-loading gun; a gas check.
  5. (photography) A camera shutter.

References

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  • For the engineering sense: American Society of Mechanical Engineers (ASME) OM Code.

Latin

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Verb

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obtūrātor

  1. second/third-person singular future passive imperative of obtūrō

Romanian

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Etymology

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Borrowed from French obturateur.

Noun

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obturator n (plural obturatoare)

  1. (photography) shutter

Declension

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