first cosmic velocity

proper noun

The velocity in a circular orbit about the Earth.

Similar
first cosmic speed
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Meanings

proper noun
  1. The velocity in a circular orbit about the Earth.
nounfirst cosmic velocity (plural first cosmic velocities)

plural first cosmic velocities

  1. The velocity in a circular orbit.

    Synonyms: first cosmic speed

Synonyms & antonyms

nounThe velocity in a circular orbit.

Similar
first cosmic speed

Origin

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.

Full word history & related roots →
Cite this entry
APA

first cosmic velocity. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/first%20cosmic%20velocity

MLA

“first cosmic velocity.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/first%20cosmic%20velocity. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “first cosmic velocity,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/first%20cosmic%20velocity.

Source: first cosmic velocity on Wiktionary, CC BY-SA 4.0.