n. Determination by a mode or quality; qualification.n. The act or process of modifying or altering in character, form, or function; the act or process of producing variation.n. Alteration or change: often specifically in the sense of abatement or reduction.n. The result of variation or alteration; that which marks or shows variation of character, form, or function; mode, form, or condition reached through process of change, or through being modified.n. In Scots law, the determining of the amount of the stipend of the minister of a parish. This is fixed by a decision of the Court of Teinds, called a decree of modification.n. In music, same as temperament.n. Synonyms Change, alteration, variation, qualification.n. In biology, a change which is brought about in a living being by its own activity and is not transmitted to descendants, as contrasted with a variation regarded as a congenital change which is not the effect of the activity of the organism and is transmitted to descendants; an acquired character.