Explain in English
Luminous means full of or giving off light. During the winter holidays, with all their emphasis on light, you can see luminous displays of candles everywhere.
This word has several figurative meanings that are related to the basic sense of something shining. For example, luminous prose is clear and easily understood. And a luminous career is bright and inspiring. The Middle English adjective is from Latin luminosus, from lumen "light."