Soda ash

noun

Definitions

Noun
  1. 1
    Industrial-grade sodium carbonate. uncountable
  2. 2
    a sodium salt of carbonic acid; used in making soap powders and glass and paper wordnet

Etymology

So called because formerly obtained from the ashes of sea plants and certain other plants, such as saltwort, especially Soda inermis (syns. Salsola soda, Kali soda).

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