单词 | quantity |
释义 | quantity n. (pl. -ies)   1. the property of things that is measurable.   2. the size or extent or weight or amount or number.   3. a specified or considerable portion or number or amount (buys in quantity; the quantity of heat in a body).   4. (in pl.) large amounts or numbers; an abundance (quantities of food; is found in quantities on the shore).   5. the length or shortness of vowel sounds or syllables.   6. Math. a a value, component, etc. that may be expressed in numbers. b the figure or symbol representing this. Phrases and idioms quantity mark a mark put over a vowel etc. to indicate its length. quantity surveyor a person who measures and prices building work. quantity theory the hypothesis that prices correspond to changes in the monetary supply. Etymology: ME f. OF quantit{eacute} f. L quantitas -tatis f. quantus how much |
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