uphold definition, uphold meaning | English dictionary. Search also in: Web News Encyclopedia Images. uphold. vb , -holds, -holding, -held tr. 1 to maintain, affirm, or defend against opposition or challenge. 2 to give moral support or inspiration to.
Definition of Derivative. A compound that can be imagined to arise from a partent compound by replacement of one atom with another atom or group of atoms. Used extensively in orgainic chemistry to assist in identifying compounds.
A stock derivative is any financial instrument which has a value that is dependent on the price of the underlying stock. Futures and options are the main types of derivatives on stocks. The underlying security may be a stock index or an individual firm's stock, e.g. single-stock futures.