a white-flowered plant, Coptis trifolia, of the buttercup family, having a slender, yellow root that is sometimes used as a tonic.
a North American woodland ranunculaceous plant, Coptis trifolia (or C. groenlandica), with slender yellow roots
the root of this plant, which yields a medicinal tonic and a dye
- Gold time
noun phrase Double overtime pay: When TV crews work past midnight on Friday and Saturday, they are normally paid gold time (1990s+)
- Gold tranche
noun 1. former name for reserve tranche
noun 1. . noun 1. a yellow to red, water-soluble compound, AuCl 3 , used chiefly in photography, gilding ceramic ware and glass, and in the manufacture of purple of Cassius.
[gol-durn] /ˈgɒlˈdɜrn/ noun, adjective, adverb, verb (used with object), Informal. 1. .