The scientific measurement and study of the specific gravity or density of liquids, typically using an instrument called an areometer.
From Greek 'areos' (thin, rare, sparse) + 'metria' (measurement). Developed as a technical term in the 17th-18th centuries as liquid analysis became crucial for chemistry, pharmacology, and industrial production.
This word represents one of chemistry's practical tools—knowing liquid density helped pharmacists verify medicines, brewers perfect recipes, and manufacturers control quality long before modern lab equipment!
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