The act or an instance of becoming open or being made to open:
A crack, crevice, or split.
A moment; an instant:
The definition of a hole is a hollow place, opening or break in something.
The opening, or the diameter of the opening, in a camera, telescope, etc. through which light passes into the lens
A narrow passage of water, as between two islands.
A spokesperson; a mouthpiece:
The definition of an outlet is a passage for escape of something or feelings, the place where one body of a water flows into another or a store that sells the items of a particular manufacturer, often at a discount.
A tiny opening, usually microscopic, as in plant leaves or skin, through which fluids may be absorbed or discharged
A long, narrow opening or crack
A narrow opening; a groove or slit:
(Zoology) The excretory opening of the digestive tract in animals such as birds, reptiles, amphibians, and fish.
(Anatomy) The foramen of Monro.
Find another word for orifice. In this page you can discover 19 synonyms, antonyms, idiomatic expressions, and related words for orifice, like: opening, cleft, crack, hole, aperture, inlet, mouth, outlet, pore, slit and slot.