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2 definitions found
 for macula
From The Collaborative International Dictionary of English v.0.48 :

  Macula \Mac"u*la\, n.; pl. Maculae. [L., spot, stain, blot.
     See Mail armor, and cf. Mackle, Macule.]
     1. A spot, as on the skin, or on the surface of the sun or of
        some other luminous orb; called also macule.
        [1913 Webster]
  
     2. (Zool.) A rather large spot or blotch of color.
        [1913 Webster] macula lutea

From WordNet (r) 3.0 (2006) :

  macula
      n 1: a cooler darker spot appearing periodically on the sun's
           photosphere; associated with a strong magnetic field [syn:
           sunspot, macula]
      2: a small yellowish central area of the retina that is rich in
         cones and that mediates clear detailed vision [syn: macula,
         macula lutea, macular area, yellow spot]
      3: a patch of skin that is discolored but not usually elevated;
         caused by various diseases [syn: macule, macula]

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