English Lexicon

Hydrated Lime

/ˈhaɪ.dreɪ.tɪd laɪm/
nounCEFR B2 (Upper)Top #15000 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A dry powder obtained by the reaction of quicklime with water, used in various industrial processes and as a soil amendment.

    "The construction workers used hydrated lime to stabilize the soil before laying the foundation."
  2. 2

    A chemical compound, calcium hydroxide, often used in water treatment and as a pH regulator.

    "Hydrated lime is commonly added to drinking water to adjust its acidity."

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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

The term 'hydrated lime' originates from the combination of 'hydrate', derived from the Greek 'hydor' meaning 'water', and 'lime', which comes from the Old French 'lime' and Latin 'calx', referring to calcium oxide. The term has evolved to describe a specific chemical compound formed when quicklime is mixed with water, a process known as slaking, which has been used since ancient times in construction and agriculture.

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