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ninhydrin
[ nin-hahy-drin ]
/ nɪnˈhaɪ drɪn /
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noun Chemistry.
a white or yellow, toxic, crystalline or powdery compound, C9H4O3⋅H2O, that reddens when heated above 100°C, a monohydrate, soluble in water or alcohol: used primarily as a reagent to detect the presence of various amino acids.
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Origin of ninhydrin
From German, registered as a trademark for the drug in 1912
Words nearby ninhydrin
Ningbo, Ningsia, Ningxia, Ningxia Hui, Ningxia Hui Autonomous Region, ninhydrin, Ninian, Ninib, Ninigi, ninja, ninja loan
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
British Dictionary definitions for ninhydrin
ninhydrin
/ (nɪnˈhaɪdrɪn) /
noun
a chemical reagent used for the detection and analysis of primary amines, esp amino acids, with which it forms a derivative with an intense purple colour
Word Origin for ninhydrin
C20: from the chemical name triketo hydrindene
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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