Meanings
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1
noun
a strongly alkaline solution, traditionally made by leaching water through wood ashes
The soap maker combined rendered fat with lye under carefully controlled conditions.
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2
noun
sodium hydroxide or potassium hydroxide, especially when used for cleaning or making soap
Protective gloves are essential when handling concentrated lye.
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3
verb
to treat or wash something with lye
Workers lyed the grain before the next stage of processing.
Thesaurus
Etymology
From Middle English lye and Old English leag ("lye"), from a Germanic word associated with washing. Cognates include German Lauge and Dutch loog.