An acid-base indicator which is colorless in acid solution, but turns pink to red as the solution becomes alkaline. It is used medicinally as a cathartic.
Previse
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To pretend to [revise] whilst actually not
Previse meaning & definition 1 of Previse.
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Verb
To go through revision guides before youve been taught anything. Usually practiced by nerds.
Previse meaning & definition 2 of Previse.
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