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LEM

LEM

10 8.7
A small spacecraft that carries astronauts between the moon and the main ship
  • noun
  • /lɛm/
  • Archaic
translation icon : módulo lunar
  • Armstrong, with Aldrin watching the instruments and calling altitude, flew the LEM like the pilot he was.
  • LEM jettison
  • engine of the LEM

Examples

  • Let us know when you've entered the LEM and closed up the hatch.

  • Hey, that puts you in the LEM with him for the landing.

  • We're not sure that the camera on the LEM is working.

  • I'm gonna step off the LEM now.

  • Okay, I'm gonna step off the LEM now.

  • And two of the three astronauts in the LEM...

  • They have some power left in the LEM batteries, right?

  • The second spacecraft, the Lunar Excursion Module, or LEM, would land on the moon.

  • The LEM weighed under 15 tons, fully fueled; the ascent stage, in which the crew were to live until they returned to dock with the command module, weighed barely 2,000 kilograms (plus crew and 2,350 kg of fuel).

    Blog text (20)
  • The Lunar Excursion Module, or LEM, is essential for transporting astronauts to the moon's surface.

Synonyms

lander
vsLEM
  • Specialized
41 7.9

A machine that lands on the surface of the moon or another planet

is for carrying crew between an orbiting craft and the moon surface
lunar module
vsLEM
  • Specialized
8 4.9

A small spacecraft that carries astronauts from orbit down to the moon's surface and back

is used mainly in the Apollo missions
lunar excursion module
vsLEM
  • Specialized
1 8.6

A small spacecraft that takes astronauts from the main spacecraft to the moon's surface and back

is used mainly in the Apollo missions

Surface Forms

LEM singular
LEMs plural

Etymology

LEM comes from the first letters of the words lunar ('moon'), excursion ('short trip'), and module ('part'). It was the small spacecraft that made the short trip from the command module down to the lunar surface, so LEM means the moon lander.