lye(redirected from Wood-ash soap)
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1. (Elements & Compounds) any solution obtained by leaching, such as the caustic solution obtained by leaching wood ash
2. (Elements & Compounds) a concentrated solution of sodium hydroxide or potassium hydroxide
[Old English lēag; related to Middle Dutch lōghe, Old Norse laug bath, Latin lavāre to wash]
1. a highly concentrated, aqueous solution of potassium hydroxide or sodium hydroxide.
2. any solution resulting from leaching, percolation, or the like.
[before 900; Middle English lie, ley, Old English lēag, c. Middle Dutch lōghe, Old High German louga lye, Old Norse laug warm bath; akin to lave1]
A strong alkaline solution of potassium hydroxide or sodium hydroxide, made by allowing water to wash through wood ashes. It is used to make soap.
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|Noun||1.||lye - a strong solution of sodium or potassium hydroxide|
caustic potash, potash, potassium hydroxide - a potassium compound often used in agriculture and industry
caustic - any chemical substance that burns or destroys living tissue