Dictionary.com

goniometer

[ goh-nee-om-i-ter ]
/ ˌgoʊ niˈɒm ɪ tər /
Save This Word!

noun
an instrument for measuring solid angles, as of crystals.
QUIZ
CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?
There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?
Question 1 of 7
Which sentence is correct?

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. 2023

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
FEEDBACK