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incisors

 - 7 dictionary results

in⋅ci⋅sor

  [in-sahy-zer]
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–noun Dentistry.
any of the four anterior teeth in each jaw, used for cutting and gnawing.

Origin:
1665–75; < NL: lit., cutter, equiv. to L incīd(ere) to incise + -tor -tor, with -dt- > -s-
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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in·ci·sor   (ĭn-sī'zər)   
n.  A tooth adapted for cutting or gnawing, located at the front of the mouth along the apex of the dental arch.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Cultural Dictionary

incisors [(in-seye-zuhrz)]

The sharp teeth at the front of the mouth (four on the top and four on the bottom) that are specialized for cutting. (Compare molars.)

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

incisor 
"cutting tooth," 1672, from M.L. incisor, lit. "that which cuts into," from L. incisus, pp. of incidere (see incision).
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: in·ci·sor
Pronunciation: in-'sI-z&r
Function: noun
: a front tooth adapted for cutting; especially : any of theeight cutting human teeth that are located between the canines with four in the lower and four in the upper jaw
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

incisor in·ci·sor (ĭn-sī'zər)
n.
Any of the four teeth adapted for cutting or gnawing, having a chisel-shaped crown and a single conical root and located in the front part of both jaws in both deciduous and permanent dentitions.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Science Dictionary
incisor   (ĭn-sī'zər)  Pronunciation Key 
A sharp-edged tooth in mammals that is adapted for cutting or gnawing. The incisors are located in the front of the mouth between the canine teeth.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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