Lye meaning

Any substance obtained by leaching.
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Obsolete spelling of lie.
verb
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The definition of lye is an alkaline solution that is often a mix of potassium or hydroxide or sodium which is generally used for cleaning.

A strongly alkaline solution used to make soap is an example of lye.

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The liquid obtained by leaching wood ashes.
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(obs.) A strong, alkaline solution obtained by leaching wood ashes.
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Any strongly alkaline substance, usually sodium or potassium hydroxide, used in cleaning, making soap, etc.
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A strong alkaline solution or solid of potassium hydroxide or sodium hydroxide, made by allowing water to wash through wood ashes. It is used to make soap and drain and oven cleaners. Chemical formula: KOH or NaOH.
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An alkaline liquid made by leaching ashes (usually wood ashes).
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Potassium or sodium hydroxide.
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(UK, railways) A short side line, connected with the main line; a turn-out; a siding.
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Part or all of this entry has been imported from the 1913 edition of Webster's Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
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Origin of lye

  • Middle English lie from Old English lēag leu(ə)- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Old English lÄ“ag, from Proto-Germanic *laugō, from Proto-Indo-European *leu(É™)- (“to wash").

    From Wiktionary