Aperture
/ˈæpərtʃər/
nounIntermediate📊CommonObject
1 meaning1 question
Definitions
1
An opening, especially a hole or gap through which light passes.
/ˈæpərtʃər/
nounneutralIntermediate
Object
An opening, hole, or gap.
The camera's aperture was set to f/2.8.
💡 Simply: A hole or opening.
More Examples
2
A small aperture created a large depth of field in the photograph.
How It's Used
Photography
"The photographer adjusted the aperture to control the depth of field."
Optics
"The telescope's aperture determines its light-gathering ability."
From Latin *apertūra, from aperīre "to open".
The term has been used in optics and photography since the 19th century.
Memory tip
Think of 'a part sure' to let light through.
Word Origin
LanguageLatin
Original meaning
"to open"
aperture settingaperture diaphragmwide aperturenarrow aperture
Common misspellings
apetureapertureeapperature
Practice
Usage
20%Spoken
80%Written