noun Chemistry.
a red, crystalline, water-insoluble solid, C 16 H 12 O 5 , obtained by the oxidation of brazilin: used chiefly as a dye for wood and textiles.
Also, brasilein.

brazil(in) + -ein, variant of -in2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
brazilein or brasilein (brəˈzɪlɪɪn)
a red crystalline solid obtained by the oxidation of brazilin and used as a dye. Formula: C16H12O5
[C19: from German Brasilein, from brazilin]
brasilein or brasilein
[C19: from German Brasilein, from brazilin]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Example sentences for brazilein
The wood also yields a red dye called brazilin, which oxidizes to brazilein.
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