ac·​cre·​tion·​al | \ ə-ˈkrē-shnəl How to pronounce accretional (audio) , -shə-nᵊl, a-\

Definition of accretional

: relating to, marked by, or formed by accretion : accretionary accretional remnants left over from the formation of the terrestrial planets …— Paul R. Weissman et al., Encyclopedia of the Solar System, 1999 accretional growth

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First Known Use of accretional

1843, in the meaning defined above

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The first known use of accretional was in 1843

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appealing forcibly to the mind or reason

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