biconvex

from WordNet (r) 3.0 (2006)
biconvex
    adj 1: convex on both sides; shaped like a lentil [syn:
           {biconvex}, {convexo-convex}, {lenticular}, {lentiform}]
    
from The Collaborative International Dictionary of English v.0.48
Biconvex \Bi*con"vex\, a. [Pref. bi- + convex.]
   Convex on both sides; as, a biconvex lens.
   [1913 Webster] Bicorned
   Bicorn
    

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