cosine

Valid in Scrabble

Scrabble points
8
Words With Friends
10
Letters
6
Pronunciation
/ˈkəʊ.saɪn/ (UK)
See all 3 pronunciations
/ˈkəʊ.saɪn/ (UK) · /ˈkoʊ.saɪn/ (US) · /ˈkəʉ.sɑɪn/

Definition of cosine

1 sense · 1 part of speech · etymology included

noun

  1. In a right triangle, the ratio of the length of the side adjacent to an acute angle to the length of the hypotenuse. Symbol: cos

Definitions from Wiktionary, CC BY-SA.

Etymology

Etymology tree Proto-Indo-European *ḱe Proto-Indo-European *ḱóm Proto-Italic *kom Proto-Italic *kom- Latin con- Latin co-der. English co- Proto-Indo-European *sinos Proto-Italic *sinus Latin sinusbor. English sine English cosine From co- + sine, short for complementi sinus in Latin, meaning “sine of the complement”. Doublet of cosinus.

Hooks

1 extension · 1 back

A single letter you can add to cosine to make another valid word.

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