Light Crossword

an apparatus consisting of a tube attached to a set of mirrors or prisms, by which an observer can see things that are otherwise out of sight.
an optical instrument designed to make distant objects appear nearer, containing an arrangement of lenses.
an optical instrument used for viewing very small objects.
a solid geometric figure whose two ends are similar, equal, and parallel rectilinear figures, and whose sides are parallelograms.
a piece of glass or other transparent material with curved sides for concentrating or dispersing light rays.
a porous device for removing impurities or solid particles from a liquid or gas passed through it.
the throwing back by a body or surface of light, heat, or sound without absorbing it.
the fact or phenomenon of light, radio waves, etc. being deflected in passing obliquely through the interface between one medium and another or through a medium of varying density.
the action or process of distributing things or people over a wide area.
any of a group of colours from which all other colours can be obtained by mixing.
a colour resulting from the mixing of two primary colours.
a band of colours, as seen in a rainbow.
the process or state of converging.
the process or state of diverging.
vision using two eyes with overlapping fields of view, allowing good perception of depth.