Re-  A prefix signifying back, against, again, anew; as, recline, to lean back; recall, to call back; recede; remove; reclaim, to call out against; repugn, to fight against; recognition, a knowing again; rejoin, to join again; reiterate; reassure. Combinations containing the prefix re- are readily formed, and are for the most part of obvious signification.
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 Re
      n 1: a rare heavy polyvalent metallic element that resembles
           manganese chemically and is used in some alloys; is
           obtained as a by-product in refining molybdenum [syn: rhenium,
            atomic number 75]
      2: ancient hawk-headed Egyptian sun god; a universal creator
         [syn: Ra]
      3: the syllable naming the second (supertonic) note of any
         major scale in solmization [syn: ray]