Illumination
Lighting
noun, verbal noun, の adjective
Illuminate and make things bright, my illumination!
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
照明器具の周りを蠅が2-3匹ブンブン飛び交っている。
A couple of flies are buzzing around the lighting equipment.