trigonometries

Variant of trigonometry

trigonometry definition

trigo·nom·etry (trig′ə näm′ə trē)

noun pl. trigonometries -·tries

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.

Etymology: ModL trigonometria < Gr trigōnon, triangle (see trigon) + -metria, measurement (see -metry)

Related Forms:

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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