单词 | characteristic |
释义 | char·ac·ter·is·tic (kăr′ək-tə-rĭstĭk) adj. Being a feature that helps to distinguish a person or thing; distinctive: heard my friend's characteristic laugh; the stripes that are characteristic of the zebra. n. 1. A feature that helps to identify, tell apart, or describe recognizably; a distinguishing mark or trait. 2. Mathematics The integral part of a logarithm as distinguished from the mantissa: The characteristic of the logarithm 6.3214 is 6. 3. Mathematics The least number of times the multiplicative identity in a ring needs to be added to itself to reach the additive identity, or, if the additive identity is never reached, zero. The integers have a characteristic of zero; the integers modulo 12 have a characteristic of 12. char′ac·ter·isti·cal·ly adv. |
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