Definition of Iris diaphragm

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

Exact synonyms: Iris
Generic synonyms: Diaphragm, Stop



Medical Definition of Iris diaphragm

1. A diaphragm with thin metal leaves so arranged that the rotation of an actuating lever varies the diameter. (05 Aug 1998)

Iris Diaphragm Pictures

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Lexicographical Neighbors of Iris Diaphragm

iridotomy
iridoviridae
iridovirus
iridoviruses
irids
irigenin
iriginite
iring
irinotecan
iris
iris-
iris-nevus syndrome
iris bicolor
iris bombe
iris dehiscence
iris diaphragm (current term)
iris dilator muscle
iris diseases
iris family
iris freckles
iris frill
iris neoplasms
iris pigmented epithelium
iris pits
iris scanning
irisate
irisated
irisates
irisating
irisation

Literary usage of Iris diaphragm

Below you will find example usage of this term as found in modern and/or classical literature:

1. Journal of the Royal Microscopical Society by Royal Microscopical Society, London (1882)
"Iris-Diaphragm for varying the Aperture of Objectives. ... applied an Iris-diaphragm behind the objective for reducing the aperture of objectives, ..."

2. Refraction and how to refract: Including Sections on Optics, Retinoscopy by James Thorington (1907)
"Author's iris diaphragm Chimney. Position of Light and Plane Mirror.—These may be as close together as 6 inches or as far apart as 6 meters. ..."

3. Practical Handbook of the Pathology of the Skin: An Introduction to the by John MacLeod Hendrie MacLeod (1903)
"The Use of the Condenser and Iris-Diaphragm.—The purpose of the condenser is to concentrate and intensify the light, while that of the diaphragm is to ..."

4. The American Journal of Microscopy and Popular Science (1878)
"Binocular, Five Eye-pieces and iris diaphragm »225.00 Monocular, ... and Iris Diaphragm „.»..•л.; U.>Л.-175.00 WH BULLOCH, Optician, Clark Street, Chicago, ..."

5. Journal of the Royal Microscopical Society by Royal Microscopical Society, London (1882)
"Iris-Diaphragm for varying the Aperture of Objectives. ... applied an Iris-diaphragm behind the objective for reducing the aperture of objectives, ..."

6. Refraction and how to refract: Including Sections on Optics, Retinoscopy by James Thorington (1907)
"Author's iris diaphragm Chimney. Position of Light and Plane Mirror.—These may be as close together as 6 inches or as far apart as 6 meters. ..."

7. Practical Handbook of the Pathology of the Skin: An Introduction to the by John MacLeod Hendrie MacLeod (1903)
"The Use of the Condenser and Iris-Diaphragm.—The purpose of the condenser is to concentrate and intensify the light, while that of the diaphragm is to ..."

8. The American Journal of Microscopy and Popular Science (1878)
"Binocular, Five Eye-pieces and iris diaphragm »225.00 Monocular, ... and Iris Diaphragm „.»..•л.; U.>Л.-175.00 WH BULLOCH, Optician, Clark Street, Chicago, ..."

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