illuminations

英 [ɪˌljuːmɪˈneɪʃənz]

美 [ɪˌluməˈneɪʃənz]

n. 照明; 光源; 彩灯; 灯饰; (旧时书上通常用手工绘制的)彩饰，彩图
illumination的复数

柯林斯词典

N-UNCOUNT 照明;照亮
Illuminationis the lighting that a place has.
1. The only illumination came from a small window high in the opposite wall.
  唯一的亮光来自对面墙上高处的一扇小窗子。
N-PLURAL 彩灯;灯饰
Illuminationsare coloured lights which are put up in towns, especially at Christmas, in order to make them look attractive, especially at night.
1. ...the famous Blackpool illuminations.
  著名的布莱克浦彩灯节
N-UNCOUNT 觉悟;启发;精神启示
You can useilluminationto describe an increased understanding of something, especially something of a religious or spiritual nature.
1. ...a sense of illumination...
  顿悟
2. No further illumination can be had from this theory.
  这一理论不能给人以更深刻的启迪。