| 单词 | reduce |
| 释义 | Word Frequency reduce(rɪˈdjuːs) verb (mainly tr) 1. (also intr) to make or become smaller in size, number, extent, degree, intensity, etc 2. to bring into a certain state, condition, etc to reduce a forest to ashes to reduce someone to despair 3. (also intr) to make or become slimmer; lose or cause to lose excess weight 4. to impoverish (esp in the phrase in reduced circumstances) 5. to bring into a state of submission to one's authority; subjugate the whole country was reduced after three months 6. to bring down the price of (a commodity) the shirt was reduced in the sale 7. to lower the rank or status of; demote he was reduced from corporal to private reduced to the ranks 8. to set out systematically as an aid to understanding; simplify the theories have been reduced in a popular treatise 9. mathematics to modify or simplify the form of (an expression or equation), esp by substitution of one term by another 10. cookery to make (a sauce, stock, etc) more concentrated by boiling away some of the water in it 11. to thin out (paint) by adding oil, turpentine, etc; dilute 12. (also intr) chemistry a. to undergo or cause to undergo a chemical reaction with hydrogen or formation of a hydride b. to lose or cause to lose oxygen atoms c. to undergo or cause to undergo an increase in the number of electrons Compare oxidize 13. photography to lessen the density of (a negative or print) by converting some of the blackened silver in the emulsion to soluble silver compounds by an oxidation process using a photographic reducer 14. surgery to manipulate or reposition (a broken or displaced bone, organ, or part) back to its normal site 15. (also intr) biology to undergo or cause to undergo meiosis Derived forms reducible (reˈducible) adjective reducibility (reˌduciˈbility) or rare reducibleness (reˈducibleness) noun reducibly (reˈducibly) adverb Word origin C14: from Latin redūcere to bring back, from re- + dūcere to lead |
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