Dispersion or scattering; the breaking up or decentralizing of things or people; distribution across places or groups.
昼休みになると学生たちは校庭に分散した。
At lunch break, the students dispersed across the schoolyard.
投資はリスクを減らすために分散するべきだ。
Investments should be diversified to reduce risk.
情報が一斉に出たため、話題は各所に分散していった。
Because the information was released at once, the discussion spread and scattered across places.
In statistics, a measure of how spread out data are; the variance.
標本分散を計算してデータのばらつきを調べる。
Compute the sample variance to examine the spread of the data.
分散が小さいとデータは平均の近くに集まる。
When the variance is small, the data cluster close to the mean.
In physics and chemistry, dispersion of particles or waves; phenomena where substances or waves spread out (e.g., light dispersion, solute dispersion).
ガラスプリズムで光が分散して虹色に見える。
Light disperses through a glass prism and appears as rainbow colors.
コロイド中の粒子の分散状態を調べる実験を行った。
We conducted an experiment to examine the dispersion state of particles in a colloid.