| 单词 | hydrometer |
| 释义 | Word Frequency hydrometer(haɪˈdrɒmɪtə) noun an instrument for measuring the relative density of a liquid, usually consisting of a sealed graduated tube with a weighted bulb on one end, the relative density being indicated by the length of the unsubmerged stem Derived forms hydrometric (ˌhaɪdrəʊˈmɛtrɪk) or hydrometrical (ˌhydroˈmetrical) adjective hydrometrically (ˌhydroˈmetrically) adverb hydrometry (hyˈdrometry) noun |
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