1. 
2. 
[syn: distinct, distinguishable]
The Collaborative International Dictionary of English v.0.48:
Distinguishable \Dis*tin"guish*a*ble\, a.
   1. Capable of being distinguished; separable; divisible;
      discernible; capable of recognition; as, a tree at a
      distance is distinguishable from a shrub.
      [1913 Webster]
            A simple idea being in itself uncompounded . . . is
            not distinguishable into different ideas. --Locke.
      [1913 Webster]
   2. Worthy of note or special regard. --Swift.
      [1913 Webster]
WordNet (r) 3.0 (2006):
distinguishable
    adj 1: capable of being perceived as different or distinct;
           "only the shine of their metal was distinguishable in the
           gloom"; "a project distinguishable into four stages of
           progress"; "distinguishable differences between the
           twins" [ant: indistinguishable, undistinguishable]
    2: (often followed by `from') not alike; different in nature or
       quality; "plants of several distinct types"; "the word
       `nationalism' is used in at least two distinct senses"; "gold
       is distinct from iron"; "a tree related to but quite distinct
       from the European beech"; "management had interests quite
       distinct from those of their employees" [syn: distinct,
       distinguishable]