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Noun: weightlessness  weyt-lus-nus
  1. The property of being comparatively small in weight
    "the weightlessness of balsa wood"
    - lightness
     
  2. (physics) a state of very low gravity, as found in sustained free fall, orbit or in interstellar space
    - microgravity

Derived forms: weightlessnesses

See also: weightless

Type of: weight

Encyclopedia: Weightlessness

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