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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