noun, noun or participle which takes 'suru', intransitive verb
fall; decline; drop; deterioration
Broadly used for measurable decreases in level, quality, ability, or condition. Common with する to mean 'to fall/decline/drop'.
最近、売り上げが低下している。
Sales have been declining recently.
気温の低下に注意してください。
Please be careful of the drop in temperature.
運動不足で体力が低下した。
My physical strength declined due to lack of exercise.