sodium thiosulphate

S s

Definition of sodium thiosulphate words

noun sodium thiosulphate a white soluble substance used, in the pentahydrate form, in photography as a fixer to dissolve unchanged silver halides and also to remove excess chlorine from chlorinated water. Formula: Na2S2O3 0

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A common word. It’s meaning is known to most children of preschool age. About 89% of English native speakers know the meaning and use the word.

Most Europeans know this English word. The frequency of it’s usage is somewhere between "mom" and "screwdriver".

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