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lye

Syllabification: lye

Definition of lye in English:

noun

A strongly alkaline solution, especially of potassium hydroxide, used for washing or cleansing.
Example sentences
  • Sodium hydroxide, NaOH, also known as lye and caustic soda, is one of the most important of all industrial chemicals.
  • For example, sodium oxide dissolved in water yields sodium hydroxide, or lye.
  • To make the Biodiesel, we heated the oil, then mixed in a measured solution of methanol and lye.

Origin

Old English lēag, of Germanic origin: related to Dutch loog, German Lauge, also to lather.

Definition of lye in:

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