goniometer

[ goh-nee-om-i-ter ]

noun

1. an instrument for measuring solid angles, as of crystals.

goniometer

/ ˌɡəʊnɪˈɒmɪtə; ˌɡəʊnɪəˈmɛtrɪk /

noun

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

Derived Forms

• ˌgoniˈometry, noun
• ˌgonioˈmetrically, adverb
• goniometric, adjective

Other Words From

• go·ni·o·met·ric [goh-nee-, uh, -, me, -trik], goni·o·metri·cal adjective
• goni·o·metri·cal·ly adverb
• goni·ome·try noun

Word History and Origins

Origin of goniometer¹

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

Word History and Origins

Origin of goniometer¹

C18: via French from Greek gōnia angle

Example Sentences

The mineralogist obtains his accurate measurements by means of an instrument known as the goniometer.

From Project Gutenberg