Word:

Iris diaphragm

I´ris di´a`phragm
1.An adjustable diaphragm, reminiscent of the iris of the eye in its action, 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.
Noun1.iris diaphragm - diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening
Synonyms: iris
diaphragm, iris, stop
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Iridiated
Iridic
Iridioscope
Iridious
iridium
Iridize
iridocyclitis
iridokeratitis
Iridoline
iridoncus
Iridoprocne
Iridoprocne bicolor
Iridosmine
iridotomy
Iris
Iris cristata
-- Iris diaphragm --
iris family
Iris filifolia
Iris florentina
Iris foetidissima
Iris germanica
Iris germanica florentina
Iris kaempferi
Iris kochii
Iris Murdoch
Iris pallida
Iris persica
Iris pseudacorus
iris scanning
Iris tingitana
Iris verna
Iris versicolor
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