I. verb — [no obj.] 1. grow by accumulation or coalescence • ice that had accreted grotesquely into stalactites.
2. [with obj.] — form (a composite whole) by gradual accumulation • the collection of art he had accreted was to be sold.
[Astronomy] (with reference to matter or a body) come or bring together under the influence of gravitation.[no obj.]
• the gas will cool and then accrete to the galaxy’s core.
– origin late 18th cent.: from Latin accret- ‘grown’, from the verb accrescere, from ad- ‘to’ + crescere ‘grow’.