Diaphragm (Noun)
Meaning 1
A mechanical device in a camera that controls size of aperture of the lens; "the new cameras adjust the diaphragm automatically".
Classification
Nouns denoting man-made objects.
Examples
- The diaphragm of a camera regulates the amount of light that reaches the film or digital sensor.
- Adjusting the diaphragm can change the depth of field and the overall look of a photograph.
- Some old cameras required manual adjustment of the diaphragm using f-stop numbers.
- A variable diaphragm is commonly used in digital cameras to regulate exposure settings.
- High-end cameras have complex mechanisms for automatically adjusting the diaphragm in various shooting conditions.
Synonyms
Hyponyms
Meaning 2
(anatomy) a muscular partition separating the abdominal and thoracic cavities; functions in respiration.
Classification
Nouns denoting body parts.
Synonyms
Hypernyms
Meaning 3
Electro-acoustic transducer that vibrates to receive or produce sound waves.
Classification
Nouns denoting man-made objects.
Hypernyms
Meaning 4
A contraceptive device consisting of a flexible dome-shaped cup made of rubber or plastic; it is filled with spermicide and fitted over the uterine cervix.
Classification
Nouns denoting man-made objects.