- [countable, uncountable] (formal)
any of the small changes or levels that something is divided into; the process or result of something changing gradually 逐渐的变化；层次；阶段；等级 gradations of colour 各种层次的颜色 gradation in size 大小等级
- (also graduation)[countable]
a mark showing a division on a scale 刻度 the gradations on a thermometer 温度计上的刻度
Word Originmid 16th cent.: from Latin gradatio(n-), based on gradus ‘step’.