Enter a clue or pattern or both:
The Clue
Lights up (10 letter answer)
The Answer
IRRADIATES
Tags
Notes
The answer IRRADIATES is so rare that it appears less than once every 2500 puzzles.
Definition
IRRADIATE as a verb:
1. (enlighten, irradiate) = give spiritual insight to; in religion
2. cast rays of light upon
3. (irradiate, ray) = expose to radiation; "irradiate food"