Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
No pronunciation record was provided for this word.
An adjustable diaphragm by which the diameter of an approximately circular opening may be controlled, as for regulating the aperture of a lens; it consists of a number of movable thin curved plates fastened at regular intervals around the inside of a ring, the positions of which are simultaneously adjusted by a single knob on the outside of the lens. It is used in cameras and microscopes.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: iris
Antonyms: none provided
Broader terms: diaphragm, stop
Derives from its action which is reminiscent of the iris of the eye.
Across languages
Translations
2 source translations are retained for this English entry.
-
German:
Irisblende
— adjustable diaphragm
-
Tagalog:
alikmata
— adjustable diaphragm
