| 单词 | negative |
| 释义 | negative adj., n. & v. --adj 1. expressing or implying denial, prohibition, or refusal (a negative vote; a negative answer). 2. (of a person or attitude): a lacking positive attributes; apathetic; pessimistic. b opposing or resisting; uncooperative. 3. marked by the absence of qualities (a negative reaction; a negative result from the test). 4. of the opposite nature to a thing regarded as positive (debt is negative capital). 5. Algebra (of a quantity) less than zero, to be subtracted from others or from zero (opp. POSITIVE). 6. Electr. a of the kind of charge carried by electrons (opp. POSITIVE). b containing or producing such a charge. --n 1. a negative statement, reply, or word (hard to prove a negative). 2. Photog. a an image with black and white reversed or colours replaced by complementary ones, from which positive pictures are obtained. b a developed film or plate bearing such an image. 3. a negative quality; an absence of something. 4. (prec. by the) a position opposing the affirmative. 5. Logic = NEGATION 6. --vtr. 1. refuse to accept or countenance; veto; reject. 2. disprove (an inference or hypothesis). 3. contradict (a statement). 4. neutralize (an effect). Phrases and idioms in the negative with negative effect; so as to reject a proposal etc.; no (the answer was in the negative). negative evidence (or instance) evidence of the non-occurrence of something. negative feedback 1. the return of part of an output signal to the input, tending to decrease the amplification etc. 2. feedback that tends to diminish or counteract the process giving rise to it. negative geotropism see GEOTROPISM. negative income tax an amount credited as allowance to a taxed income, and paid as benefit when it exceeds debited tax. negative pole the south-seeking pole of a magnet. negative proposition Logic = NEGATION 6. negative quantity joc. nothing. negative sign a symbol (-) indicating subtraction or a value less than zero. negative virtue abstention from vice. Derivatives negatively adv. negativeness n. negativity n. Etymology: ME f. OF negatif -ive or LL negativus (as NEGATE) |
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