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accretion
1) A process by which a star accumulates matter as it moves through a dense cloud of interstellar gas; or, more generally, whereby matter surrounding a star flows toward it (as in close binaries.)
2) Collection of material together, generally to form a single body.
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- Part of Speech: noun
- Synonym(s):
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- Industry/Domain: Astronomy
- Category: General astronomy
- Company: Caltech
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