go·​ni·​om·​e·​ter ˌgō-nē-ˈä-mə-tər How to pronounce goniometer (audio)
: an instrument for measuring angles
goniometric adjective
goniometry noun

Examples of goniometer in a Sentence

Recent Examples on the Web The setup gave surprisingly good image quality, for not only beauty pictures of chips but also for examining features with dimensions of a few micrometers, and even as a digital goniometer for measuring contact angles. IEEE Spectrum, 24 Apr. 2020

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'goniometer.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


Greek gōnia angle

First Known Use

1766, in the meaning defined at sense 1

Time Traveler
The first known use of goniometer was in 1766

Dictionary Entries Near goniometer

Cite this Entry

“Goniometer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/goniometer. Accessed 30 Nov. 2023.

Medical Definition


go·​ni·​om·​e·​ter ˌgō-nē-ˈäm-ət-ər How to pronounce goniometer (audio)
: an instrument for measuring angles (as of a joint or the skull)
goniometric adjective
goniometry noun
plural goniometries
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!