CAUSTIC SODA

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

A strongly alkaline caustic used in manufacturing soap and paper and aluminum and various sodium compounds

Synonyms:

caustic soda; sodium hydroxide

Classified under:

Nouns denoting substances

Hypernyms ("caustic soda" is a kind of...):

hydrated oxide; hydroxide (a compound of an oxide with water)

lye (a strong solution of sodium or potassium hydroxide)

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