characteristic
Americanadjective
noun
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a distinguishing feature or quality.
Generosity is his chief characteristic.
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Mathematics.
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the integral part of a common logarithm.
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the exponent of 10 in a number expressed in scientific notation.
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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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noun
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a distinguishing quality, attribute, or trait
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maths
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the integral part of a common logarithm, indicating the order of magnitude of the associated number Compare mantissa
the characteristic of 2.4771 is 2
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another name for exponent, used esp in number representation in computing
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adjective
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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.
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Compare mantissa
Synonym Usage
See feature.
Other Word Forms
Derived Forms
Etymology
Origin of characteristic
First recorded in 1655–65; from Greek charaktēristikós ( see character, -istic)
Explanation
If something is a characteristic of someone or something, it is a feature you would expect. A characteristic of classical-style architecture is large stone columns. A characteristic of poodles is their pom-pom like tails. A characteristic feature needn't just be a something physically apparent, it can describe a type of personality or atmosphere as well, as in: "The characteristic of all funeral homes is their gloomy air." As their spelling and meaning implies, there is a close link between the words characteristic and character, meaning the essential nature of a thing, and in fact both words come from the ancient Greek kharackter, meaning a "symbol or imprint on the soul."
Vocabulary lists containing characteristic
Jim Burke's Academic Vocabulary List
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TEKS ELAR Academic Vocabulary List (5th-7th grades)
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Academic Vocabulary Toolkit 1, Words 11-20
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
It also states that public authorities should "advance equality of opportunity between people who share and people who do not share a relevant protected characteristic".
From BBC • Jun. 8, 2026
Later in life, she requested that he build her a synagogue near their estate outside Paris, a wish he fulfilled with characteristic devotion.
From The Wall Street Journal • Jun. 7, 2026
It absorbs nearly all incoming sunlight and strongly attracts water, a characteristic known as superwicking.
From Science Daily • May 31, 2026
That single characteristic may be the key to his popularity.
From Salon • May 31, 2026
Ultimately, one tends to avoid him, for the universal characteristic of children is to assume that they have a monopoly on trouble, and therefore a monopoly on you.
From "The Fire Next Time" by James Baldwin
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.