avalanche

1 of 2

noun

av·​a·​lanche ˈa-və-ˌlanch 

1

: a large mass of snow, ice, earth, rock, or other material in swift motion down a mountainside or over a precipice

2

: a sudden great or overwhelming rush or accumulation of something

hit by an avalanche of paperwork

3

physics : a cumulative process in which photons or accelerated charge carriers produce additional photons or charge carriers through collisions (as with gas molecules)

avalanche

2 of 2

verb

avalanched; avalanching

intransitive verb

: to descend in an avalanche

Snow avalanched down the mountain.

transitive verb

: overwhelm, flood

The office was avalanched with applications.

Examples of avalanche in a Sentence

Noun

He was buried by an avalanche.

Recent Examples on the Web

Noun

These five popular models comprise just a small portion of the avalanche of guns flowing across the border. —Nick Penzenstadler, USA TODAY, 22 May 2024

The avalanche began at around 11:55 a.m., according to officials. —Andrea Vacchiano, Fox News, 12 May 2024

Word History

Etymology

Noun and Verb

French, from French dialect (Franco-Provençal) lavantse, avalantse

First Known Use

Noun

1744, in the meaning defined at sense 1

Verb

1826, in the meaning defined at intransitive sense

Kids Definition

avalanche

noun

av·​a·​lanche

ˈav-ə-ˌlanch

1

: a large mass of snow and ice or of earth and rock sliding down a mountainside

2

: a sudden large amount

an avalanche of words