Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun iris_diaphragm

1 sense of iris diaphragm

Sense 1
iris, iris diaphragm -- (diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening)
       => diaphragm, stop -- (a mechanical device in a camera that controls size of aperture of the lens; "the new cameras adjust the diaphragm automatically")