ceilometer

/see-lom-i-ter, si-/US // siˈlɒm ɪ tər, sɪ- //UK // (siːˈlɒmɪtə) //

天平仪,天花板仪,天线仪,天花板

Definitions

n.名词 noun

1
- : an automatic device for measuring and recording the height of clouds by projecting a modulated beam of light onto a cloud base, receiving the reflection of light through a photoelectric apparatus, and computing the height by triangulation.