The act of increasing by natural growth; especially the increase of organic bodies by the internal accession of parts; organic growth.

plural of accretion

Of, pertaining to, or formed by accretion

(intransitive) To grow together, combine; to fuse. / (intransitive) To adhere; to grow or to be added to gradually. / (transitive) To make adhere; to add; to make larger or more, as by growing.

Characterized by accretion; made up / (botany) Grown together

Relating to accretion; increasing, or adding to, by growth.

present participle of accrete

simple past tense and past participle of accrete

Third-person singular simple present indicative form of accrete

(astronomy) That which accretes, but especially any massive star etc.