Definition of Pointolite in English:


Pronunciation /ˈpɔɪntəlʌɪt/


  • A type of arc lamp designed to give a small but bright source of light (especially for use in projection equipment), the illumination being provided by the incandescence of a small knob of tungsten.

    A trademark in the United Kingdom.


Early 20th century; earliest use found in Illuminating Engineer. From point + o', variant of of + lite.