accretional
ac·cre·tion·al [ ə-ˈkrē-shnəl]
: 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 First Known Use of accretional
1843, in the meaning defined above
Dictionary Entries near accretional