noun, noun or participle which takes 'suru', transitive verb, intransitive verb
increase and decrease; fluctuation
Refers to the rise and fall of a quantity, number, or level. Can be used as a noun or with する to mean 'to increase or decrease' or 'to fluctuate'.
人口の増減をグラフで示した。
I showed the increase and decrease of the population in a graph.
気温は一日の中
The temperature fluctuates during the day.