Lectionary Calendar
Monday, December 15th, 2025
the Third Week of Advent
the Third Week of Advent
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Bible Dictionaries
Iris Diaphragm
Webster's Dictionary
or Resource Toolbox
An adjustable diaphragm, suggesting the iris of the eye in its action, for regulating the aperture of a lens, consisting of a number of thin pieces fastened to a ring. It is used in cameras and microscopes.
Copyright Statement
These files are public domain.
Text Courtesy of BibleSupport.com. Used by Permission.
These files are public domain.
Text Courtesy of BibleSupport.com. Used by Permission.
Bibliography Information
Webster, Noah. Entry for 'Iris Diaphragm'. Noah Webster's American Dictionary. https://www.studylight.org/dictionaries/eng/web/i/iris-diaphragm.html. 1828.
Webster, Noah. Entry for 'Iris Diaphragm'. Noah Webster's American Dictionary. https://www.studylight.org/dictionaries/eng/web/i/iris-diaphragm.html. 1828.
