goniometer

[ goh-nee-om-i-ter ]
/ ˌgoʊ niˈɒm ɪ tər /

noun

an instrument for measuring solid angles, as of crystals.

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Origin of goniometer

First recorded in 1760–70; gonio- + -meter

OTHER WORDS FROM goniometer

go·ni·o·met·ric [goh-nee-uh-me-trik], /ˌgoʊ ni əˈmɛ trɪk/, go·ni·o·met·ri·cal, adjectivego·ni·o·met·ri·cal·ly, adverbgo·ni·om·e·try, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for goniometer

goniometer
/ (ˌɡəʊnɪˈɒmɪtə) /

noun

an instrument for measuring the angles between the faces of a crystal
an instrument consisting of a transformer circuit connected to two directional aerials, used to determine the bearing of a distant radio station

Derived forms of goniometer

goniometric (ˌɡəʊnɪəˈmɛtrɪk) or goniometrical, adjectivegoniometrically, adverbgoniometry, noun

Word Origin for goniometer

C18: via French from Greek gōnia angle
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for goniometer

goniometer
[ gō′nē-ŏmĭ-tər ]

n.

An optical instrument for measuring crystal angles, as between crystal faces.
arthrometer
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.