goniometer

goniometer [goh-nee-om-i-ter] ExamplesWord Origin noun

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

Origin of goniometer First recorded in 1760–70; gonio- + -meter Related formsgo·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 Examples from the Web for goniometer Historical Examples of goniometer

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

Birds and All Nature Vol VII, No. 1, January 1900

Various

British Dictionary definitions for goniometer goniometer 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 Formsgoniometric (ˌɡəʊnɪəˈmɛtrɪk) or goniometrical, adjectivegoniometrically, adverbgoniometry, nounWord Origin for goniometer C18: via French from Greek gōnia angle goniometer in Medicine goniometer [gō′nē-ŏm′ĭ-tər] n.

1. An optical instrument for measuring crystal angles, as between crystal faces.
2. arthrometer