lenz n. 1 a
piece of a
transparent substance with one or (usu.)
both sides curved
for concentrating or dispersing light-rays
esp. in
optical instruments. 2 a
combination of lenses used in
photography. 3 Anat. =
crystalline lens. 4
Physics a
device for focusing or
otherwise modifying
the direction of
movement of
light,
sound, electrons, etc. øølensed adj. lensless adj. [L lens lentis
lentil (from the similarity of shape)]