Chemistry. A compound of tellurium with a more electropositive element (as hydrogen or a metal), or with an organic radical; often with modifying…

A compound of an element or radical with oxygen and hydrogen, not with water; by some chemists restricted to compounds whose reactions indicate the…

an ester of oleic acid; spec. ethyl oleate, C17H33COOC2H5. Obsolete.

A compound in which an acetate group is combined with three atoms or molecules of a base. Obsolete.

Any of a group of compounds containing the radical SO2 united to two hydrocarbon radicals.

Any compound containing a hydrocarbon radical combined with the group SO.

any compound in which the molecule consists of four alkyl radicals bonded to an atom of lead.

Any organic compound whose molecule contains one or more phosphate ester groups, esp. any of a large class of pesticides of this kind.