HyperDic: iris_diaphragm

English > 1 sense of the expression iris diaphragm:
NOUNartifactiris diaphragm, irisdiaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening
English > iris diaphragm: 1 sense > noun 1, artifact
Meaningdiaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening.
Synonymiris
Broaderdiaphragm, stopA mechanical device in a camera that controls size of aperture of the lens

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