accretion

Definitions

The process of growth or increase, typically by the gradual accumulation of additional layers or matter.

A thing formed or added by gradual growth or external addition.

The coming together and cohesion of matter under the influence of gravitation to form larger bodies.

Examples

The island was formed by the gradual accretion of volcanic ash and lava over millions of years.

The company's rapid growth was largely due to the accretion of smaller firms into its corporate structure.

Synonyms

accumulation buildup growth increase enlargement addition accrual

Antonyms

erosion reduction decrease loss diminishment depletion subtraction