Accretion is often used in scientific writing; its usual verb form, accrue, is more often used in financial contexts ("This figure doesn't count the accrued interest on the investments").

ACCRETION definition: an increase by natural growth or by gradual external addition; growth in size or extent. See examples of accretion used in a sentence.

Feb 25, 2026 · What Is Accretion? In finance, accretion is the accumulation of the additional income an investor expects to receive after purchasing a bond at a discount and holding it until maturity.

ACCRETION definition: 1. a gradual increase or growth by the addition of new layers or parts: 2. a gradual increase or…. Learn more.

An accretion is an addition to something, usually one that has been added over a period of time.

Definition of accretion noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

accretion (əˈkriːʃən) n 1. any gradual increase in size, as through growth or external addition 2. something added, esp extraneously, to cause growth or an increase in size

Jan 20, 2026 · (uncountable) The process of separate particles aggregating or coalescing together; concretion; (countable) a thing formed in this manner. The accretion of particles forms a solid mass.

There are ten meanings listed in OED's entry for the noun accretion, one of which is labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

Nov 1, 2025 · Accretion refers to the gradual increase in value or quantity of an asset over time, typically due to natural or planned growth. In accounting, this concept is used to systematically …