aggradation noun.
[agrǝ'deɪʃ(ǝ)n] L19.[from
AG- +
DE)GRADATION noun1.]
Physical Geography. The deposition of material by a river, stream, or current.
■ aggradational
adjective of or pertaining to aggradation
L19. ■ aggrade
[ǝ'greɪd] verb trans. & intrans. [back-form.] build up by deposition
E20. [TahlilGaran] English Dictionary ▲