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characteristic

[kar-ik-tuh-ris-tik]
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adjective
  1. Also char·ac·ter·is·ti·cal. pertaining to, constituting, or indicating the character or peculiar quality of a person or thing; typical; distinctive: Red and gold are the characteristic colors of autumn.
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noun
  1. a distinguishing feature or quality: Generosity is his chief characteristic.
  2. Mathematics.
    1. the integral part of a common logarithm.Compare mantissa.
    2. the exponent of 10 in a number expressed in scientific notation.
    3. the smallest positive integer n such that each element of a given ring added to itself n times results in 0.
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Origin of characteristic

From the Greek word charaktēristikós, dating back to 1655–65. See character, -istic
Related formschar·ac·ter·is·ti·cal·ly, adverbnon·char·ac·ter·is·tic, adjectivenon·char·ac·ter·is·ti·cal·ly, adverbqua·si-char·ac·ter·is·tic, adjectivequa·si-char·ac·ter·is·ti·cal·ly, adverbun·char·ac·ter·is·tic, adjectiveun·char·ac·ter·is·ti·cal·ly, adverb

Synonyms

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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018


Examples from the Web for uncharacteristic

Contemporary Examples

Historical Examples

  • Suddenly he did a simple thing, but so uncharacteristic that it moved her.

  • And this was most uncharacteristic of Goil, particularly in a situation like this one.

    Jack of No Trades

    Charles Cottrell

  • This outburst, so uncharacteristic and so unexpected, did not bear for him a grain of pathos.

    An Ambitious Woman

    Edgar Fawcett

  • He looked with uncharacteristic alertness at the inexpressive face of the leisurely narrator.

  • But it was not the cry of victory; there was an uncharacteristic lack of finality in the clergyman's tone.

    Peccavi

    E. W. Hornung


British Dictionary definitions for uncharacteristic

uncharacteristic

adjective
  1. not typical or usual
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characteristic

noun
  1. a distinguishing quality, attribute, or trait
  2. maths
    1. the integral part of a common logarithm, indicating the order of magnitude of the associated numberthe characteristic of 2.4771 is 2 Compare mantissa
    2. another name for exponent, used esp in number representation in computing
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adjective
  1. indicative of a distinctive quality, etc; typical
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Derived Formscharacteristically, adverb
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

Word Origin and History for uncharacteristic

adj.

1753, from un- (1) "not" + characteristic (adj.). Related: Uncharacteristically.

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characteristic

adjective and noun both first attested 1660s, from character + -istic on model of Greek kharakteristikos. Earlier in the adjectival sense was characteristical (1620s). Related: Characteristically (1640s). Characteristics "distinctive traits" also attested from 1660s.

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Online Etymology Dictionary, © 2010 Douglas Harper

uncharacteristic in Medicine

characteristic

(kăr′ək-tə-rĭstĭk)
n.
  1. A distinguishing feature or attribute; character.
  2. A structure or function determined by a gene or genes; trait.
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Related formschar′ac•ter•istic adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

uncharacteristic in Science

characteristic

[kăr′ək-tə-rĭstĭk]
  1. The part of a logarithm to the base 10 that is to the left of the decimal point. For example, if 2.749 is a logarithm, 2 is the characteristic. Compare mantissa.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.