Plano-concave

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Plano-concave \Pla"no-con"cave\, a. [Plano- + concave.]
     Plane or flat on one side, and concave on the other; as, a
     plano-concave lens. See {Lens}.
     [1913 Webster]

From WordNet (r) 2.0 [wn]:



  planoconcave
       adj : flat on one side and concave on the other