# submersion

> English word · Noun · frequency rank #81,871

## Definitions
1. The act of submerging, or the state of being submerged; immersion
2. A differentiable map whose differential is everywhere surjective.

## Etymology
Borrowed from Latin summersio, summersionem.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/submersion