单词 | accretor |
释义 | accretor/əˈkriːtə/noun 1A person who or thing which engages in or promotes the accumulation or gradual increase of something. 2 Ecology. A plant, group of plants, or ecosystem that promotes the accretion of sediment. rare. 3 Astronomy. A celestial object that gains matter by accretion; specifically the component of an interacting binary system, typically a compact star or black hole, which accretes material derived from the other component. OriginLate 19th century; earliest use found in American Catholic Quarterly Review. From accrete + -or. |
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