Root : lumin
means light.
Origin: Latin; ‘lumen’
LUMINOUS
adjective
>> full of or shedding light; bright or shining, esp. in the dark.
>>> glowing with health, vigor, or a particular emotion.
>>> very bright; harsh to the eye.
Usage :
It was fairly easy to read time because of the luminous dial on his watch.
Her eyes were luminous with joy as the results were announced.
ILLUMINATE
verb
>> light up.
>>> decorate with lights for a special occasion.
>>> enlighten (someone) spiritually or intellectually.
Usage :
A flash of rifle fires illuminated the otherwise dark environment.
The discussion with Peter on culture, humanity and races illuminated me.
LUSTER
noun
>> a gentle sheen or soft glow, esp. that of a partly reflective surface.
>>> glory or distinction.
>>> the manner in which the surface of a mineral reflects light.
>> a substance imparting or having a shine or glow, in particular.
>>> a thin coating containing unoxidized metal that gives an iridescent glaze to ceramics.
>>> a type of finish on a photographic print, less reflective than a glossy finish.
Usage :
After the addition of the celebrity player to the lineup, the side gained luster.
After years of use, the necklace has lost its luster.
ILLUMINANT
noun
>> a means of lighting or source of light.
Usage :
Until 1880’s, oil was the only illuminant in use.
TRANSLUCENT
adjective
>> allowing light, but not detailed images, to pass through; semitransparent.
Usage:
The preparation requires frying the onions till they are translucent.
LUMINARY
noun
>> a person who inspires or influences others, esp. one prominent in a particular sphere.
>> an artificial light.
Usage :
Dr Wells is one of the luminaries of child psychology.