| 单词 | acid |
| 释义 | Word Frequency acid(ˈæsɪd) noun 1. any substance that dissociates in water to yield a sour corrosive solution containing hydrogen ions, having a pH of less than 7, and turning litmus red See also Lewis acid 2. a sour-tasting substance 3. a slang name for LSD adjective 4. chemistry a. of, derived from, or containing acid an acid radical b. being or having the properties of an acid sodium bicarbonate is an acid salt 5. sharp or sour in taste 6. cutting, sharp, or hurtful in speech, manner, etc; vitriolic; caustic 7. (of rain, snow, etc) containing pollutant acids in solution 8. (of igneous rocks) having a silica content of more than 60% of the total and containing at least one tenth quartz 9. metallurgy of or made by a process in which the furnace or converter is lined with an acid material acid steel Derived forms acidly (ˈacidly) adverb acidness (ˈacidness) noun acidy (ˈacidy) adjective Word origin C17: (first used by Francis Bacon): from French acide or Latin acidus, from acēre to be sour or sharp |
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