Originally: a sulphate containing a high proportion of sulphate ions. Now: a salt or ester of persulphuric acid.

A radical derived from suberic acid. Obsolete.

The nitrate ion.

The radical of stearic acid.

= nitryl, n. Usually attributive. Now rare.

the group —NO2, esp. when bonded to a carbon atom as a functional group in organic compounds.

Used to form names of compounds, radicals, etc., containing one or more halogen atoms, as haloacyl, halohydrocarbon, halomethane, halothane, n.

The anion of mevalonic acid, which is an intermediate in the biosynthesis of cholesterol and other steroids and terpenoids. Also: a salt or ester of…