MEANING
A flattened rotating collection of gas or dust feeding matter toward a central object.
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Words that belong together
- stellar accretion disk
- accretion disk around a black hole
On the page
The probe skimmed above the accretion disk without crossing its bright inner rim.
An accretion disk fed the dark object beyond the station's orbit.
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Word forms
- Base
- accretion disk
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Usage notes
Primary category: sci-fi. Forms: Singular accretion disk; plural accretion disks. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.
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