noun

aperture

aperture, opening, hole, gap

He peered through a small aperture in the wall.

He peered through a small aperture in the wall.

The photographer adjusted the camera's aperture.

The photographer adjusted the camera's aperture.

an aperture in ((sth.)) an opening in something. There was a small aperture in the curtains.

the camera's aperture the opening in a camera lens. A wide aperture lets in more light.

Synonyms: opening, hole, gap, slit

From Latin 'apertura', from 'aperire' meaning 'to open'.

Think of a camera 'aperture' which is an 'opening' that lets light in.

This page is designed for learning support. Please use it as a learning reference, not as a formal reference.