obturator

التعريفات والمعاني

== English == === Etymology === From Latin obtūrō (“to stop, block up”). === Pronunciation === === Noun === obturator (plural obturators) (surgery) An object used to obstruct a hole, such as a fissure of the palate. (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. (engineering) A valve closure member (disk, gate, plug, etc.). (firearms) Any device for preventing the escape of gas through the breech mechanism of a breech-loading gun; a gas check. (photography) A camera shutter. ==== Derived terms ==== ==== References ==== For the engineering sense: American Society of Mechanical Engineers (ASME) OM Code. == Latin == === Verb === obtūrātor second/third-person singular future passive imperative of obtūrō == Romanian == === Etymology === Borrowed from French obturateur. === Noun === obturator n (plural obturatoare) (photography) shutter ==== Declension ====