Meaning of the word lye in English

What does lye mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

lye

US /laɪ/
UK /laɪ/

Noun

a strong alkaline solution, especially of potassium hydroxide or sodium hydroxide, used for washing or cleansing

Example:
The old-fashioned soap was made with animal fat and lye.
Be careful when handling lye, as it is highly corrosive.