lithometeor

[ lith-uh-mee-tee-er ]
/ ˌlɪθ əˈmi ti ər /

noun Meteorology.

a mass of dry particles suspended in the atmosphere, as dust or haze.
Compare hydrometeor.

Origin of lithometeor

First recorded in 1835–45; litho- + meteor

British Dictionary definitions for lithometeor

lithometeor
/ (ˌlɪθəˈmiːtɪə) /

noun

a mass of solid particles, such as dust, sand, etc, falling through the atmosphere