stream wheel

Noun

A wheel used for measuring, by its motion when submerged, the velocity of flowing water.

Japanese Meaning

水中に浸して回転運動により水流の速度を測定するための車輪。

The research team lowered a stream wheel into the river to record the water's velocity.

研究チームは水の流速を記録するために、川に流速測定用の車輪を沈めた。

Sense（1）

A wheel used for measuring, by its motion when submerged, the velocity of flowing water.

stream wheels

（ plural ）