China white

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silver white

1. Any white pigment used in paints.
2. A very pure variety of white lead; French white, China white.
References in periodicals archive ?
Ocfentanil has been reported as being sold as synthetic heroin in the US and more recently in Europe.
To study Parkinson's, researchers have commonly mimicked the effects of the disease in animals by giving them a compound known as MPTP, a contaminant of the illicit drug MPPP, or synthetic heroin.
It costs at least pounds 28million a year to keep addicts supplied with the synthetic heroin substitute.