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to decrease
01
減少する (げんしょうする), 低下する (ていかする)
to become less in amount, size, or degree
Intransitive
Example
The temperature is decreasing as we move into the cooler season.
The demand for the product decreased after the initial release.
02
減少させる (げんしょうさせる), 減らす (へらす)
to make an amount, size, degree, etc. fewer or smaller
Transitive: to decrease an amount or size
Example
The company implemented cost-cutting measures to decrease expenses and increase profits.
They decided to decrease the amount of sugar in their diet to improve their health.
Decrease
01
減少（げんしょう）, 低下（ていか）
the process or act of having or causing a reduction in quality, size, quantity, intensity, etc.
02
減少（げんしょう）, 縮小（しゅくしょう）
the amount by which something becomes less or smaller
Example
There was a noticeable decrease in the company's profits compared to the previous quarter.
前の四半期と比べて、会社の利益が明らかに減少した。
The decrease in temperature overnight led to frost forming on the windows.
夜間の温度の減少（げんしょう）が窓に霜が形成される原因となった。
03
減少 (げんしょう), 縮小 (しゅくしょう)
a process of becoming smaller or shorter
04
減少 (げんしょう), 低下 (ていか)
a change downward
