HOW TO PRONOUNCE
aperture
/ˈæp.ɚˌt͡ʃʊɹ/
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American Pronunciation Guide · 0:47
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What does aperture mean?
noun
- A small or narrow opening, gap, slit, or hole.
- A hole which restricts the diameter of the lightpath through one plane in an optical system.
- The diameter of such a hole which restricts the width of the lightpath through the whole system. For a telescope, this is the diameter of the objective lens.
More meanings (2)
noun
- 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.
- (rare) The maximum angle between the two generatrices.
Definitions regrouped for readability · CC BY-SA 4.0
IPA pronunciation
/ˈæp.ɚˌt͡ʃʊɹ/
Wiktionary contributors · CC BY-SA 4.0 ↗Other dictionary pronunciations
/ˈæp.ɚ.t͡ʃɚ//ˈæp.ɚˌtjʊɹ//ˈæp.ɚˌtʊɹ/
Wiktionary contributors · CC BY-SA 4.0 ↗Pronunciation varies by speaker and region. About these dictionary pronunciations.
In the pages of books
See this word in context.
Unlike Slightly’s door, it filled the aperture, so that he could not see beyond it, nor could the one knocking see him.
Suddenly I heard a noise without, the run and smash of slipping plaster, and the triangular aperture in the wall was darkened.
More book examples (3)
Your roof, as you know very well, has been recently repaired, and has no aperture by which even a Woman could penetrate.
Through this aperture there penetrated just enough light to make the face of a man appear like the face of a phantom.
That some person, or persons, must have got admission in this way, appears evident from the fact of the aperture being there.