filar
Americanadjective
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of or relating to a thread or threads.
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having threads or the like.
adjective
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of thread
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(of an optical instrument) having fine threads across the eyepiece forming a reticle or set of cross wires
Other Word Forms
- interfilar adjective
Etymology
Origin of filar
1870–75; < Latin fīl ( um ) a thread + -ar 1
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
To Bouguer in 1748 is due the true conception of measurement by double image without the auxiliary aid of a filar micrometer, viz. by changing the distance between two object-glasses of equal focus.
From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" by Various
Rotate the screw of the filar micrometer until the movable wire coincides with the fixed one, and the index marks zero on the drum head.
From The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. by Eyre, J. W. H. (John William Henry)
Place the filar micrometer and the stage micrometer in their respective positions.
From The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. by Eyre, J. W. H. (John William Henry)
In the filar micrometer two spider lines are parallel, and one intersects them at right angles.
From The Story of the Heavens by Ball, Robert S. (Robert Stawell), Sir
Westfall, staring into the eyepiece of the filar micrometer, finished measuring the apparent size of the heptagon before he turned toward Stevens and Brandon.
From Spacehounds of IPC by Smith, E. E. (Edward Elmer)
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.