Open Dictionary
Join now
mouse here to listen, click to choose/add more
Location: USA
Source: Learn That Word
Profile URL: www.learnthat.org
play again like it has problem

Are you a native English speaker? How do you pronounce this word?

Thank you for contributing!
upload mp3 file or record now it's easy, promised!

{%type%} Definitions

WordNet 3.0Copyright Princeton University
{%wordnet%}
Definitions.net
{%definitions_com%}

Videos

Click here to upload you own video for this word!
Short "hint"

n. - Ratio of the adjacent side to the hypotenuse of a right-angled triangle.

edit
Usage examples (32)
  • So, if the current is sinusoidal, you know the derivative of a sine to be a cosine, which is 90° out of phase.
  • Did you know that it's possible to calculate a cosine even if you think "cosine" is a brand of nasal decongestant?
  • It makes no sense to ask where the cosine function is.
  • I seez no sine but I thinks Uz is mai long lost cosine
...click for more
Tutoring comment
  • To "consign" is to transfer or give to another's care or control, to "cosign" is to sign a loan agreement with others, while "cosine" is a mathematical term used in trigonometry.
add more
wordnik merriam-webster
The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.

LearnThatWord and the Open Dictionary of English are programs by LearnThat Foundation, a 501(c)3 nonprofit.

Questions? Feedback? We want to hear from you!
Email us or click here for instant support.

Copyright © 2005 and after - LearnThat Foundation. Patents pending.