water telescope

1 definition found

water telescope - Collaborative International Dictionary of English v.0.48 :

  Water telescope \Water telescope\
     1. (Optics) A telescope in which the medium between the
        objective and the eye piece is water instead of air, used
        in some experiments in aberration.
        [Webster 1913 Suppl.]
  
     2. A telescope devised for looking into a body of water.
        [Webster 1913 Suppl.]