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[tee-th ing] /ˈti ðɪŋ/
noun, Dentistry.
eruption of the deciduous teeth, especially the phenomena associated with their eruption.
Origin of teething
1725-35; teethe + -ing1


[teeth] /tið/
verb (used without object), teethed, teething.
to grow teeth; cut one's teeth.
1375-1425; late Middle English tethen, derivative of teth teeth Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for teething
  • Also, for many carmakers this is a new technology and there will be teething troubles.
  • The shallows lapped from different directions at the tree as if almost teething on it.
  • Still, given the scale of what the builders and architects have achieved, a few teething problems are only to be expected.
  • Such teething problems will no doubt be worked out, though it is unclear when.
  • Radical redesigns can have lots of teething troubles that spoil a customer's bottom line.
  • teething problems with the engines should not have been a surprise.
  • In any case, teething troubles with a few new members should not become an excuse for slamming the door on others.
  • teething troubles at refineries producing the cleaner fuel have interrupted supply and made the market tighter.
  • So they should: leading websites, after early teething problems, now provide a superb service.
  • But it too has teething troubles: false readings, for example, from trucks with metallic windscreens.
British Dictionary definitions for teething


(intransitive) to cut one's baby (deciduous) teeth
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 teething

1724, verbal noun from teethe (v.).



early 15c., probably from an unrecorded Old English verb *teþan, from toþ (see tooth). Related: Teethed; teething.

Online Etymology Dictionary, © 2010 Douglas Harper
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teething in Medicine

teething teeth·ing (tē'ðĭng)
The eruption or cutting of the teeth.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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