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Hasil cari dari kata atau frase: Iris diaphragm (0.02418 detik)
Found 2 items, similar to Iris diaphragm.
English → English (WordNet)
Definition: iris diaphragm
iris diaphragm
n : diaphragm consisting of thin overlapping plates that can be
adjusted to change the diameter of a central opening
[syn:
iris]
English → English (gcide)
Definition: Iris diaphragm
Iris diaphragm
\I“ris di”a*phragm\
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.
[Webster 1913 Suppl. +PJC]
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