Ascensional difference

Ascensional \As*cen"sion*al\, a.
   Relating to ascension; connected with ascent; ascensive;
   tending upward; as, the ascensional power of a balloon.
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   {Ascensional difference} (Astron.), the difference between
      oblique and right ascension; -- used chiefly as expressing
      the difference between the time of the rising or setting
      of a body and six o'clock, or six hours from its meridian
      passage.
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Difference \Dif"fer*ence\, n. [F. diff['e]rence, L.
   differentia.]
   1. The act of differing; the state or measure of being
      different or unlike; distinction; dissimilarity;
      unlikeness; variation; as, a difference of quality in
      paper; a difference in degrees of heat, or of light; what
      is the difference between the innocent and the guilty?
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            Differencies of administration, but the same Lord.
                                                  --1 Cor. xii.
                                                  5.
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   2. Disagreement in opinion; dissension; controversy; quarrel;
      hence, cause of dissension; matter in controversy.
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            What was the difference? It was a contention in
            public.                               --Shak.
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            Away therefore went I with the constable, leaving
            the old warden and the young constable to compose
            their difference as they could.       --T. Ellwood.
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   3. That by which one thing differs from another; that which
      distinguishes or causes to differ; mark of distinction;
      characteristic quality; specific attribute.
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            The marks and differences of sovereignty. --Davies.
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   4. Choice; preference. [Obs.]
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            That now he chooseth with vile difference
            To be a beast, and lack intelligence. --Spenser.
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   5. (Her.) An addition to a coat of arms to distinguish the
      bearings of two persons, which would otherwise be the
      same. See {Augmentation}, and {Marks of cadency}, under
      {Cadency}.
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   6. (Logic) The quality or attribute which is added to those
      of the genus to constitute a species; a differentia.
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   7. (Math.) The quantity by which one quantity differs from
      another, or the remainder left after subtracting the one
      from the other.
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   {Ascensional difference}. See under {Ascensional}.

   Syn: Distinction; dissimilarity; dissimilitude; variation;
        diversity; variety; contrariety; disagreement; variance;
        contest; contention; dispute; controversy; debate;
        quarrel; wrangle; strife.
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