| 单词 | positive |
| 释义 | Word Frequency positive(ˈpɒzɪtɪv) adjective 1. characterized by or expressing certainty or affirmation a positive answer 2. composed of or possessing actual or specific qualities; real a positive benefit 3. tending to emphasize what is good or laudable; constructive he takes a very positive attitude when correcting pupils' mistakes 4. tending towards progress or improvement; moving in a beneficial direction 5. philosophy a. constructive rather than sceptical b. (of a concept) denoting the presence rather than the absence of some property 6. independent of circumstances; absolute or unqualified 7. (prenominal) informal (intensifier) a positive delight 8. mathematics a. having a value greater than zero a positive number b. designating, consisting of, or graduated in one or more quantities greater than zero positive direction 9. mathematics a. measured in a direction opposite to that regarded as negative b. having the same magnitude as but opposite sense to an equivalent negative quantity 10. grammar denoting the usual form of an adjective as opposed to its comparative or superlative form 11. biology indicating movement or growth towards a particular stimulus 12. physics a. (of an electric charge) having an opposite polarity to the charge of an electron and the same polarity as the charge of a proton b. (of a body, system, ion, etc) having a positive electric charge; having a deficiency of electrons a positive ion c. (of a point in an electric circuit) having a higher electric potential than some other point with an assigned zero potential 13. short for electropositive 14. (of a lens) capable of causing convergence of a parallel beam of light 15. medicine (of the results of an examination or test) indicating the existence or presence ofa suspected disorder or pathogenic organism 16. medicine (of the effect of a drug or therapeutic regimen) beneficial or satisfactory 17. short for Rh positive 18. (of a machine part) having precise motion with no hysteresis or backlash 19. mainly US (of a government) directly involved in activities beyond the minimum maintenance of law and order, such as social welfare or the organization of scientific research 20. economics of or denoting an analysis that is free of ethical, political, or value judgments 21. astrology of, relating to, or governed by the group of signs of the zodiac that belong to the air and fire classifications, which are associated with a self-expressive spontaneous nature noun Compare negative 22. something that is positive 23. mathematics a quantity greater than zero 24. photography a print or slide showing a photographic image whose colours or tones correspond to those of the original subject 25. grammar the positive degree of an adjective or adverb 26. a positive object, such as a terminal or plate in a voltaic cell 27. music a. Also called: positive organ a medieval nonportable organ with one manual and no pedals Compare portative organ b. a variant spelling of positif Derived forms positiveness (ˈpositiveness) or positivity (ˌposiˈtivity) noun Word origin C13: from Late Latin positīvus positive, agreed on an arbitrary basis, from pōnere to place |
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