n. The act or process of increasing; a growing or swelling in bulk, quantity, number, value, or amount; augmentation.n. Something added; an increase or augmentation; specifically, in mathematics, the excess (positive or negative) of the value which a function would have if its independent variable were increased by any amount, especially by unity, over the value which it has for any particular value of the variable; the difference of a function; also, an arbitrary supposed increase of an independent variable.n. In rhetoric, a species of amplification which consists in magnifying the importance of a subject (person or thing) by stating or implying that it has no superior, or that the greatest of all others is inferior to it: as, Thou hast slain thy mother. What more can I say? Thou hast slain thy mother.n. In Latin grammar, a syllable in another form of a word additional to the number of syllables in the nominative singular of a noun, adjective, etc., or the second person singular of the present indicative active of a verb.n. In heraldry, the state of the moon when crescent: as, the moon in her increment.n. In forestry, the volume or value of wood produced during a given period by the growth of a tree or of a stand. See accretion, 5.n. A uniform variation; a regular increase.