Trigonometry Definition

trĭgə-nŏmĭ-trē
trigonometries
noun
The branch of mathematics that deals with the ratios between the sides of a right triangle with reference to either acute angle (trigonometric functions), the relations between these ratios, and the application of these facts in finding the unknown sides or angles of any triangle, as in surveying, navigation, engineering, etc.
Webster's New World
Synonyms:

Other Word Forms of Trigonometry

Noun

Singular:
trigonometry
Plural:
trigonometries

Origin of Trigonometry

  • From New Latin trigonometria, from Ancient Greek τρίγωνον (trigōnon, “triangle") + -metria (“-metry").

    From Wiktionary

  • New Latin trigōnometria Greek trigōnon triangle trigon Greek -metriā -metry

    From American Heritage Dictionary of the English Language, 5th Edition

Find Similar Words

Find similar words to trigonometry using the buttons below.

Words Starting With

Words Ending With

Unscrambles

trigonometry