Cheerios effect

Proper noun

(physics) The tendency for objects floating on a liquid surface to clump together.

Japanese Meaning

液体表面に浮かぶ物体が互いに集まりやすい現象。 / 液面上に浮かぶ物体が自然と集合する現象。

You can observe the Cheerios effect when cereal pieces cluster together at the edge of your bowl.

シリアルの欠片が器の縁に集まるとき、水面に浮かぶ物体が寄り集まる傾向が観察できます。

Sense（1）

(physics) The tendency for objects floating on a liquid surface to clump together.