# first cosmic velocity

> English word · Proper noun

## Definitions
1. The velocity in a circular orbit about the Earth.

## Etymology
From first + cosmic + velocity, from being the first velocity greater than that able to be held upon the Earth, thus entering the realm of the Cosmos.

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