ECO

See also: Appendix:Variations of "eco"

English

Noun

ECO (plural ECOs)

  1. (US, astronautics) Abbreviation of engine cut-off or engine cutoff, a NASA term for when rocket engines are shut down.
  2. (astronomy, physics) Initialism of eternally collapsing object, a type of black hole replacement, to avoid having gravitational singularities.

(rocket engine):

  • MECO (main engine cut-off)
  • SECO (sustainer engine cutoff)
  • SECO (secondary engine cut-off)
  • BECO (booster engine cutoff)

(astrophysics):

  • MECO (magnetospheric eternally collapsing object) (a different type of black hole replacement, that inspired the formulation of ECOs)

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