erosion

noun

ero·​sion i-ˈrō-zhən 

1

a

: the action or process of eroding

b

: the state of being eroded

2

: an instance or product of erosion

erosional

i-ˈrō-zh(ə-)nəl 

adjective

erosionally

i-ˈrō-zh(ə-)nəl-ē 

adverb

Synonyms of erosion

• corrosion

Examples of erosion in a Sentence

Landscapers planted grass to stop the erosion of the hillside.

Centuries of erosion by wind have carved grooves in the rocks.

Recent Examples on the Web

And the story told by the events of that year, and of the decades since, is the story of the slow erosion of congressional power. — Literary Hub, 1 July 2026

In many areas, crop residue is left on fields after harvest, and root systems remain in place year-round, reducing the risk of large-scale wind erosion. — Brandi D. Addison, USA Today, 29 June 2026

Cole also points to the erosion of tort reform and the rise of third-party litigation funding as contributors to this trend. — Sentry Insurance, Forbes.com, 30 June 2026

While many burrows are harmless, tunnels located directly beneath patios, steps, retaining walls, or foundations can contribute to erosion and structural concerns over time. — Jessica Safavimehr, Southern Living, 30 June 2026

Word History

First Known Use

1541, in the meaning defined at sense 1a

Phrases Containing erosion

• gully erosion

Rhymes for erosion

• corrosion
• explosion
• implosion

Kids Definition

erosion

noun

ero·​sion i-ˈrō-zhən 

: the action or process of eroding : the state of being eroded

erosional

-ˈrōzh-nəl 

-ˈrō-zhən-ᵊl

adjective

Medical Definition

erosion

noun

ero·​sion i-ˈrō-zhən 

1

a

: the superficial destruction of a surface area of tissue (as mucous membrane) by inflammation, ulceration, or trauma

erosion of the uterine cervix

b

: progressive loss of the hard substance of a tooth

2

: an instance or product of erosion

a circular erosion on the skin