noun: (law) Initialism of district court of appeal/appeals, in various jurisdictions.
noun: (organic chemistry) Initialism of dichloroacetic acid. [(organic chemistry) An analogue of acetic acid in which two of the three hydrogen atoms of the methyl group are replaced by chlorine.]
noun: (finance) Initialism of dollar cost averaging. [(finance) An investment strategy in which the same amount of money is invested each period.]