plural of additive plural

(number theory) The subfield of number theory concerning the behaviour of sumsets (integer sets added to each other elementwise).

(chemistry) a reaction in which radicals are added to both sides of a double or triple bond

(mathematical analysis) The following property of a measure: that the measure of a countable union of disjoint sets is equal to the sum of their measures.

(mathematical analysis) Alternative form of σ-additivity

(mathematical analysis) countable additivity

(chemistry) A form of polymerization in which copies of a monomer are repeatedly added to one end of an existing polymer

Alternative spelling of addition polymerization

(music) The practice of enlarging and revising the orchestration of an earlier work, usually a Baroque piece, to accommodate the larger contemporary orchestras and tastes of the time.

(chemistry) A calibration technique for quantification that involves adding known amounts of a substance to an aliquot of an analyte.