LEM
- noun
- /lɛm/
- Archaic
- Armstrong, with Aldrin watching the instruments and calling altitude, flew the LEM like the pilot he was.
- LEM jettison
- engine of the LEM
Examples
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Let us know when you've entered the LEM and closed up the hatch.
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Hey, that puts you in the LEM with him for the landing.
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We're not sure that the camera on the LEM is working.
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I'm gonna step off the LEM now.
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Okay, I'm gonna step off the LEM now.
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And two of the three astronauts in the LEM...
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They have some power left in the LEM batteries, right?
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The second spacecraft, the Lunar Excursion Module, or LEM, would land on the moon.
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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
A machine that lands on the surface of the moon or another planet
A small spacecraft that carries astronauts from orbit down to the moon's surface and back
A small spacecraft that takes astronauts from the main spacecraft to the moon's surface and back
Surface Forms
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.