1. (initialism) .  (astronomy, physics) eternally collapsing object.
  2. (initialism) .  (US, space science) engine cut-off or engine cutoff; a NASA term for when rocket engines are shutdown.
  3. Adjective.  Environmentally friendly or sensitive.

This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.

This entry was last updated on RefTopia from its source on 3/20/2012.