goniometer
Americannoun
noun
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an instrument for measuring the angles between the faces of a crystal
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an instrument consisting of a transformer circuit connected to two directional aerials, used to determine the bearing of a distant radio station
Other Word Forms
Etymology
Origin of goniometer
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.
Wollaston in 1812, with the aid of his newly invented reflective goniometer, to be 74� 55′.
From Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" by Various
We bought a goniometer, and Dr. Wollaston, who often dined with us, taught Somerville and me how to use it, by measuring the angles of many of our crystals during the evening.
From Personal Recollections, from Early Life to Old Age, of Mary Somerville by Somerville, Mary
The refractive power of these yellow stones is remarkable, and the goniometer will probably reveal a higher index than is accorded to all the varieties of beryl by the learned Abb� Ha�y.
From Lippincott's Magazine of Popular Literature and Science Volume 11, No. 27, June, 1873 by Various
Miller not only measured many of the crystals submitted to him, but evidently taught Darwin to use the reflecting goniometer himself with considerable success.
From Darwin and Modern Science by Seward, A. C. (Albert Charles)
The feldspar and hornblende in this and the succeeding cases have been determined by the reflecting goniometer, and the quartz by its action under the blowpipe.
From Volcanic Islands by Darwin, Charles
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
