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sawtooth

[saw-tooth] /ˈsɔˌtuθ/
noun, plural sawteeth
[saw-teeth] /ˈsɔˌtiθ/ (Show IPA)
1.
one of the cutting teeth of a saw.
2.
any of the small parallel roof structures forming a sawtooth roof.
adjective
3.
having a zigzag profile, similar to that of the cutting edge of a saw; sawtoothed; serrate:
a sawtooth mountain range.
Origin
1595-1605
1595-1605; saw1 + tooth
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for saw teeth

sawtooth

/ˈsɔːˌtuːθ/
adjective
1.
(of a waveform) having an amplitude that varies linearly with time between two values, the interval in one direction often being much greater than the other
2.
having or generating such a waveform
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
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Word Origin and History for saw teeth

sawtooth

n.

c.1600, from saw (n.1) + tooth.

Online Etymology Dictionary, © 2010 Douglas Harper
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