Langimage
English

apertures

|ap-er-ture|

B2

🇺🇸

/ˈæpərtʃər/

🇬🇧

/ˈæpətʃə/

(aperture)

opening or gap

Base Form3rd Person Sing.PastPast ParticiplePresent ParticipleAdjective
apertureaperturesaperturedaperturedaperturingapertured
Etymology
Etymology Information

'aperture' originates from Latin, specifically the word 'apertūra', where 'aperire' meant 'to open'.

Historical Evolution

'aperture' passed into Old French as 'aperture' and then into Middle English, eventually becoming the modern English word 'aperture'.

Meaning Changes

Initially it meant 'an opening' or 'the act of opening'; over time it acquired specialized senses such as the adjustable opening in optical instruments (camera lens diaphragms).

Meanings by Part of Speech

Noun 1

a hole, gap, or opening in something (general sense).

The ancient wall contained several small apertures for ventilation.

Synonyms

Antonyms

Noun 2

an opening in an optical system (such as a camera lens) — the diaphragm or adjustable opening that controls the amount of light passing through.

Modern lenses have variable apertures to control exposure and depth of field.

Synonyms

diaphragm (in optics)irisf-stop (contextual)

Antonyms

Last updated: 2025/09/15 13:20