aperture
(redirected from inferior aperture of minor pelvis)

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aperture

An orifice. It often refers to an opening in which light is allowed to pass in optical systems such as cameras and lasers. See f-stop and numerical aperture.

aperture

Physics

a. a usually circular and often variable opening in an optical instrument or device that controls the quantity of radiation entering or leaving it

b. the diameter of such an opening

aperture [′ap·ə‚chər]

(electronics)

An opening through which electrons, light, radio waves, or other radiation can pass.

(graphic arts)

A rectangular cutout on an aperture card.

(optics)

The diameter of the objective of a telescope or other optical instrument, usually expressed in inches, but sometimes as the angle between lines from the principal focus to opposite ends of a diameter of the objective.

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aperture (redirected from inferior aperture of minor pelvis)

aperture
(redirected from inferior aperture of minor pelvis)