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4 definitions found
 for gravitation
From The Collaborative International Dictionary of English v.0.48 :

  Gravitation \Grav"i*ta"tion\, n. [Cf. F. gravitation. See
     Gravity.]
     1. The act of gravitating.
        [1913 Webster]
  
     2. (Pysics) That species of attraction or force by which all
        bodies or particles of matter in the universe tend toward
        each other; called also attraction of gravitation,
        universal gravitation, and universal gravity. See
        Attraction, and Weight.
        [1913 Webster]
  
     Law of gravitation, that law in accordance with which
        gravitation acts, namely, that every two bodies or
        portions of matter in the universe attract each other with
        a force proportional directly to the quantity of matter
        they contain, and inversely to the squares of their
        distances.
        [1913 Webster]

From WordNet (r) 3.0 (2006) :

  gravitation
      n 1: (physics) the force of attraction between all masses in the
           universe; especially the attraction of the earth's mass for
           bodies near its surface; "the more remote the body the less
           the gravity"; "the gravitation between two bodies is
           proportional to the product of their masses and inversely
           proportional to the square of the distance between them";
           "gravitation cannot be held responsible for people falling
           in love"--Albert Einstein [syn: gravity, gravitation,
           gravitational attraction, gravitational force]
      2: movement downward resulting from gravitational attraction;
         "irrigation by gravitation rather than by pumps" [ant:
         levitation]
      3: a figurative movement toward some attraction; "the
         gravitation of the middle class to the suburbs"

From Moby Thesaurus II by Grady Ward, 1.0 :

  63 Moby Thesaurus words for "gravitation":
     G, G suit, adduction, affinity, allurement, apogeotropism,
     attractance, attraction, attractiveness, attractivity, capillarity,
     capillary attraction, cascade, cataract, centripetal force, chute,
     collapse, comedown, crash, debacle, declension, declination,
     defluxion, descending, descension, descent, down, downbend,
     downcome, downcurve, downfall, downflow, downgrade, downpour,
     downrush, downtrend, downturn, downward trend, drag, draw, drop,
     dropping, fall, falling, geotropism, graviton, gravity,
     inclination, magnetism, mass, mutual attraction, plummeting,
     pounce, pull, pulling power, rapids, specific gravity, stoop,
     swoop, sympathy, traction, tug, waterfall
  
  

From The Devil's Dictionary (1881-1906) :

  GRAVITATION, n.  The tendency of all bodies to approach one another
  with a strength proportion to the quantity of matter they contain --
  the quantity of matter they contain being ascertained by the strength
  of their tendency to approach one another.  This is a lovely and
  edifying illustration of how science, having made A the proof of B,
  makes B the proof of A.
  

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