Topic: PHOTOGRAPHY
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| Date: | 1600-1700 |
| Language: | Latin |
| Origin: | apertura, from aperire 'to open' |
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ap‧er‧ture
[countable]
[countable]1 formal a small hole or space in something
2TCP the small hole at the front of a camera, which can be made larger or smaller to let more or less light in when you take a photograph
