trigonometry

[ trig-uh-nom-i-tree ]
See synonyms for trigonometry on Thesaurus.com
noun
  1. the branch of mathematics that deals with the relations between the sides and angles of plane or spherical triangles, and the calculations based on them.

Origin of trigonometry

1
1605–15; <New Latin trigōnometria;see trigon, -o-, -metry

Other words from trigonometry

  • trig·o·no·met·ric [trig-uh-nuh-me-trik], /ˌtrɪg ə nəˈmɛ trɪk/, trig·o·no·met·ri·cal, adjective
  • trig·o·no·met·ri·cal·ly, adverb
  • non·trig·o·no·met·ric, adjective
  • non·trig·o·no·met·ri·cal, adjective
  • non·trig·o·no·met·ri·cal·ly, adverb
  • un·trig·o·no·met·ric, adjective
  • un·trig·o·no·met·ri·cal, adjective
  • un·trig·o·no·met·ri·cal·ly, adverb

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use trigonometry in a sentence

  • By or before 1631 several other writers used abbreviations of the trigonometric functions.

    William Oughtred | Florian Cajori
  • By trigonometric laws the position of the gun is ascertained.

    Visual Illusions | Matthew Luckiesh
  • If you had time you could work out a table of logarithms, or a table of trigonometric functions.

  • Some such thoughts as these passed through Madden's mind as he pursued his reckoning through trigonometric tables.

    The Cruise of the Dry Dock | T. S. Stribling
  • Does that solve all your problems on—what were they—sub-trigonometric functions?

    Captives of the Flame | Samuel R. Delany

British Dictionary definitions for trigonometry

trigonometry

/ (ˌtrɪɡəˈnɒmɪtrɪ) /


noun
  1. the branch of mathematics concerned with the properties of trigonometric functions and their application to the determination of the angles and sides of triangles. Used in surveying, navigation, etc: Abbreviation: trig

Origin of trigonometry

1
C17: from New Latin trigōnometria from Greek trigōnon triangle

Derived forms of trigonometry

  • trigonometric (ˌtrɪɡənəˈmɛtrɪk) or trigonometrical, adjective
  • trigonometrically, adverb

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for trigonometry

trigonometry

[ trĭg′ə-nŏmĭ-trē ]


  1. The study of the properties and uses of trigonometric functions.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.