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Ареометр — RazumWiki

Ареометр

Ареометр (от греч. araios - слабый, здесь - жидкий и metreo - измеряю), прибор для измерений плотности жидкостей и твёрдых тел.

Источник — https://my.razum.wiki/index.php?title=Ареометр&oldid=1226