saw tooth

saw·tooth

[saw-tooth] noun, plural saw·teeth [-teeth] , adjective
noun
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; saw1 + tooth

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Based on the Random House Dictionary, © Random House, Inc. 2013.
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World English Dictionary
sawtooth (ˈsɔːˌtuːθ) [Click for IPA pronunciation guide]
 
adj
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 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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00:10
Saw tooth is always a great word to know.
So is bezoar. Does it mean:
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
a scrap or morsel of food left at a meal.
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