音标：['pɜ:plhɑ:t] ；

紫心木

n. A strong, durable, and elastic wood of a purplish
color, obtained from several tropical American leguminous trees of the
genus Copaifera (C. pubiflora, bracteata, and officinalis). Used for
decorative veneering. See Copaiba.

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4-bromo-1-hydroxy-2-acetonaphthone