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video examples of aperture pronunciation
An example use of aperture in a speech by a native speaker of british english:
“… 500 meter aperture spherical telescope …”
meanings of aperture
Something which restricts the diameter of the light path through one plane in an optical system.
The (typically) large-diameter antenna used for receiving and transmitting radio frequency energy containing the data used in communication satellites, especially in the geostationary belt. For a comsat, this is typically a large reflective dish antenna; sometimes called an array.
The diameter of the aperture (in the sense above) which restricts the width of the light path through the whole system. For a telescope, this is the diameter of the objective lens.
The maximum angle between the two generatrices.
An opening, gap, or hole, usually small and narrow.