| 单词 | identity |
| 释义 | Word Frequency identity(aɪˈdɛntɪtɪ) nounWord forms: plural -ties 1. the state of having unique identifying characteristics held by no other person or thing 2. the individual characteristics by which a person or thing is recognized 3. Also called: numerical identity the property of being one and the same individual his loss of memory did not affect his identity 4. Also called: qualitative identity the state of being the same in nature, quality, etc they were linked by the identity of their tastes 5. the state of being the same as a person or thing described or claimed the identity of the stolen goods has not yet been established 6. identification of oneself as I'm proud of my Welsh identity 7. logic a. that relation that holds only between any entity and itself b. an assertion that that relation holds, as Cicero is Tully 8. mathematics a. an equation that is valid for all values of its variables, as in (x – y)(x + y) = x2 – y2. Often denoted by the symbol ≡ b. Also called: identity element a member of a set that when operating on another member, x, produces that member x: the identity for multiplication of numbers is 1 since x.1 = 1.x = x See also inverse (sense 2b)9. Australian and New Zealand informal a well-known person, esp in a specified locality; figure (esp in the phrase an old identity) Word origin C16: from Late Latin identitās, from Latin idem the same |
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