出典:Wiktionary
出典:Wikipedia
出典:『Wikipedia』 (2011/06/27 13:34 UTC 版)
A hydrometer is an instrument used to measure the specific gravity (or relative density) of liquids; that is, the ratio of the density of the liquid to the density of water.
a hydrometer
a water-basin (for flower-arrangement)
water repellence
a suicide
水蒸気.
名詞の変化形:
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