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7 definitions found
 for Ra
From The Collaborative International Dictionary of English v.0.48 :

  Ra \Ra\ (r[aum]), n.
     A roe; a deer. [Obs.] --Chaucer.
     [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 :

  Ra- \Ra-\
     A prefix, from the Latin re and ad combined, coming to us
     through the French and Italian. See Re-, and Ad-.
     [1913 Webster]

From WordNet (r) 3.0 (2006) :

  Ra
      n 1: an intensely radioactive metallic element that occurs in
           minute amounts in uranium ores [syn: radium, Ra,
           atomic number 88]
      2: ancient Egyptian sun god with the head of a hawk; a universal
         creator; he merged with the god Amen as Amen-Ra to become the
         king of the gods [syn: Ra, Re]
      3: (astronomy) the equatorial coordinate specifying the angle,
         measured eastward along the celestial equator, from the
         vernal equinox to the intersection of the hour circle that
         passes through an object in the sky; usually expressed in
         hours and minutes and seconds; used with declination to
         specify positions on the celestial sphere; "one hour of right
         ascension equals fifteen degrees" [syn: right ascension,
         RA, celestial longitude]

From Moby Thesaurus II by Grady Ward, 1.0 :

  24 Moby Thesaurus words for "Ra":
     Amen-Ra, Anubis, Apollo, Bast, Helios, Horus, Hyperion, Isis, Khem,
     Min, Neph, Nephthys, Nut, Osiris, Phoebus, Phoebus Apollo, Ptah,
     Savitar, Set, Shamash, Sol, Surya, Thoth, Titan
  
  

From V.E.R.A. -- Virtual Entity of Relevant Acronyms (September 2014) :

  RA
         Real Address (Power4, IBM, CPU)
         

From V.E.R.A. -- Virtual Entity of Relevant Acronyms (September 2014) :

  RA
         Registration Authority (PKI, ITU, cryptography)
         

From V.E.R.A. -- Virtual Entity of Relevant Acronyms (September 2014) :

  RA
         Remote Access (BBS)
         

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