Earsdon
(organic chemistry) A complex nitrogenous hydrocarbon obtained artificially (as by the action of cyanogen chloride on aniline) as a white crystalline substance; diphenyl guanidin.
(inorganic chemistry) An anion derived from a heteropoly acid
Of or pertaining to Maastricht. / Of or pertaining to the Maastrichtian Age geological period.
A village in the Metropolitan Borough of North Tyneside, Tyne and Wear, England (OS grid ref NZ3272).
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