goniometer

goniometer

English

Etymology

Etymology tree
Proto-Indo-European *ǵónu
Proto-Hellenic *gónu
Ancient Greek γόνῠ (gónŭ)der.
Ancient Greek γωνίᾱ (gōníā)der.
English gonio-
Proto-Indo-European *meh₁-
Proto-Indo-European *-tḗr
Proto-Indo-European *-trom
Proto-Hellenic *-tron
Ancient Greek -τρον (-tron)
Ancient Greek μέτρον (métron)der.
English -meter
English goniometer

    From gonio- + -meter.

    Pronunciation

    • (General American) IPA(key): /ˌɡoʊ.niˈɔ.mə.tɚ/
    • Audio (Southern England):(file)
    • (General American, cot-caught merger) IPA(key): /ˌɡoʊ.niˈɑ.mə.tɚ/, /ˈɡɑ.niˌɑ.mə.tɚ/

    Noun

    goniometer (plural goniometers)

    1. A device used to measure angles.
      Hyponym: protractor
      1. A device used to measure the angles of joints commonly used in orthopedics and physical therapy.
      2. A device used to measure the angles of crystals.
      3. (medicine) An arthrometer (device for measuring the arc or range of mobility of a joint).
    2. A radio direction finder.

    Synonyms

    • (UK) angle measurer

    Derived terms

    Translations

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