velocimeter

/vee-loh-sim-uh-ter, vel-oh-/US // ˌvi loʊˈsɪm ə tər, ˌvɛl oʊ- //

测速仪,速度计,速度仪,测速器

Definitions

n.名词 noun

1
- : any of various instruments for measuring velocity, as of a wave in water or of sound in air.