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.
Barrier
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A carpentry obstruction, stockade, or other obstacle made in apassage in order to stop an enemy.
Barrier meaning & definition 1 of Barrier.
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cock block; INTERRUPTER
Barrier meaning & definition 2 of Barrier.
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That person you always stand in back of that stops randomly or is really, really slow. Especially annoying if you're in a hurry or at school. Can be people or cars.
Barrier meaning & definition 3 of Barrier.
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Slang for a sexually unbroken hymen.
Barrier meaning & definition 4 of Barrier.
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Barrier in Figure Skating. The low wooden or plastic wall marking the edge of the ice surface that surrounds the rink.
Barrier meaning & definition 5 of Barrier.
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A fence or other obstacle that prevents movement or access.
Barrier meaning & definition 6 of Barrier.
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