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.
Opuntia
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A genus of cactaceous plants; the prickly pear, or Indian
fig.
Opuntia meaning & definition 1 of Opuntia.
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Prickly pear cactus.
Opuntia meaning & definition 2 of Opuntia.
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A cactus of a genus that comprises the prickly pears.
Opuntia meaning & definition 3 of Opuntia.
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