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.
Nb
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abbreviation for nota bene: used to mark something as particularly important.
Nb meaning & definition 1 of Nb.
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short for non binary. meaning out of the gender binary; not fully a girl nor fully a boy.
Nb meaning & definition 2 of Nb.
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Shorthand way of writing [noob] in online games and sometimes used to bypass word filters which recognize noob as an insult.
Nb meaning & definition 3 of Nb.
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