third cosmic velocity

proper noun

The escape velocity of the Solar System (interstellar speed).

Similar
third cosmic speed

Meanings

nounthird cosmic velocity (plural third cosmic velocities)

plural third cosmic velocities

  1. broadlyThe escape velocity of a star system.

    Synonyms: third cosmic speed

Synonyms & antonyms

nounThe escape velocity of a star system.

Similar
third cosmic speed

Origin

From third + cosmic + velocity, from being the next threshold velocity greater than the second cosmic velocity.

Full word history & related roots →
Cite this entry
APA

third cosmic velocity. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/third%20cosmic%20velocity

MLA

“third cosmic velocity.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/third%20cosmic%20velocity. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “third cosmic velocity,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/third%20cosmic%20velocity.

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