IRIS DIAPHRAGM

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

Diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening

Synonyms:

iris; iris diaphragm

Classified under:

Nouns denoting man-made objects

Hypernyms ("iris diaphragm" is a kind of...):

diaphragm; stop (a mechanical device in a camera that controls size of aperture of the lens)

Credits