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

  Lucid \Lu"cid\, a. [L. lucidus, fr. lux, lucis, light. See
     Light, n.]
     1. Shining; bright; resplendent; as, the lucid orbs of
        heaven.
        [1913 Webster]
  
              Lucid, like a glowworm.               --Sir I.
                                                    Newton.
        [1913 Webster]
  
              A court compact of lucid marbles.     --Tennyson.
        [1913 Webster]
  
     2. Clear; transparent. " Lucid streams." --Milton.
        [1913 Webster]
  
     3. Presenting a clear view; easily understood; clear.
        [1913 Webster]
  
              A lucid and interesting abstract of the debate.
                                                    --Macaulay.
        [1913 Webster]
  
     4. Bright with the radiance of intellect; not darkened or
        confused by delirium or madness; marked by the regular
        operations of reason; as, a lucid interval.
        [1913 Webster]
  
     Syn: Luminous; bright; clear; transparent; sane; reasonable.
          See Luminous.
          [1913 Webster]

From WordNet (r) 3.0 (2006) :

  lucid
      adj 1: (of language) transparently clear; easily understandable;
             "writes in a limpid style"; "lucid directions"; "a
             luculent oration"- Robert Burton; "pellucid prose"; "a
             crystal clear explanation"; "a perspicuous argument"
             [syn: limpid, lucid, luculent, pellucid, crystal
             clear, perspicuous]
      2: having a clear mind; "a lucid moment in his madness"
      3: capable of thinking and expressing yourself in a clear and
         consistent manner; "a lucid thinker"; "she was more coherent
         than she had been just after the accident" [syn: coherent,
         logical, lucid]
      4: transmitting light; able to be seen through with clarity;
         "the cold crystalline water of melted snow"; "crystal clear
         skies"; "could see the sand on the bottom of the limpid
         pool"; "lucid air"; "a pellucid brook"; "transparent crystal"
         [syn: crystalline, crystal clear, limpid, lucid,
         pellucid, transparent]

From Moby Thesaurus II by Grady Ward, 1.0 :

  116 Moby Thesaurus words for "lucid":
     Attic, Ciceronian, all there, apprehensible, balanced, beaming,
     bright, brilliant, chaste, classic, clean-cut, clear,
     clear as crystal, clear as day, clear-cut, clearheaded,
     clearminded, cloudless, coherent, compos mentis, comprehensible,
     connected, consistent, crisp, crystal, crystal-clear, crystalline,
     defined, definite, diaphane, diaphanous, direct, distinct, easy,
     effulgent, elegant, explicit, express, fathomable, filmy, finished,
     gauzy, gossamer, gossamery, graceful, gracile, graspable,
     healthy-minded, incandescent, intelligible, knowable, lambent,
     light, light-pervious, lightish, lightsome, limpid, loud and clear,
     lucent, luculent, luminous, lustrous, mentally sound, natural,
     neat, nonopaque, normal, of sound mind, peekaboo, pellucid,
     perspicuous, plain, polished, pure, radiant, rational, reasonable,
     refined, refulgent, relucent, restrained, revealing, right, round,
     sane, sane-minded, see-through, semipellucid, semitranslucent,
     sensible, serene, sheer, simple, sound, sound-minded,
     straightforward, tasteful, terse, thin, together, translucent,
     translucid, transparent, transpicuous, trim, unaffected,
     unambiguous, unclouded, unconfused, unequivocal, univocal,
     unlabored, unmistakable, unobscured, well-defined, wholesome
  
  

From The Free On-line Dictionary of Computing (18 March 2015) :

  LUCID
  
     1. Early query language, ca. 1965, System Development Corp,
     Santa Monica, CA.  [Sammet 1969, p.701].
  
     2. A family of dataflow languages descended from ISWIM,
     lazy but first-order.
  
     Ashcroft & Wadge , 1981.
  
     They use a dynamic demand driven model.  Statements are
     regarded as equations defining a network of processors and
     communication lines, through which the data flows.  Every data
     object is thought of as an infinite stream of simple values,
     every function as a filter.  Lucid has no data
     constructors such as arrays or records.  Iteration is
     simulated with 'is current' and 'fby' (concatenation of
     sequences).  Higher-order functions are implemented using pure
     dataflow and no closures or heaps.
  
     ["Lucid: The Dataflow Language" by Bill Wadge
      and Ed Ashcroft, c. 1985].  ["Lucid, the
     Dataflow Programming Language", W. Wadge, Academic Press
     1985].
  
     (1995-02-16)
  

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