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Bookmark or Share- Accretion Definition & Meaning - Merriam-Webster1. : the process of growth or enlargement by a gradual buildup: such as. a. : increase by external addition or accumulation (as by adhesion of external parts or particles) b. : the increase of land by the action of natural forces. 2. : a product of accretion. especially : an extraneous addition.
- Accretion disk | Astronomy & Formation Processes | Britannicaaccretion disk, a disklike flow of gas, plasma, dust, or particles around any astronomical object in which the material orbiting in the gravitational field of the object loses energy and angular momentum as it slowly spirals inward.
- accretion noun - Definition, pictures, pronunciation and usage notes ...[uncountable] the process of new layers or matter being slowly added to something. the accretion of sand by wind action. Word Origin. See accretion in the Oxford Advanced American Dictionary. Check pronunciation: accretion. Definition of accretion noun in Oxford Advanced Learner's Dictionary.
- ACCRETION | definition in the Cambridge English Dictionarya gradual increase or growth by the addition of new layers or parts: The fund was increased by the accretion of new shareholders. The room hadn't been cleaned for years and showed several accretions of dirt and dust. SMART Vocabulary: related words and phrases. Increasing and intensifying. -ify. accumulate. accumulatively.
- ACCRETION Definition & Meaning | Dictionary.comnoun. any gradual increase in size, as through growth or external addition. something added, esp extraneously, to cause growth or an increase in size. the growing together of normally separate plant or animal parts. pathol. abnormal union or growing together of parts; adhesion. a mass of foreign matter collected in a cavity.
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