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lithometeor

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

noun

Meteorology.
  1. a mass of dry particles suspended in the atmosphere, as dust or haze.


lithometeor British  
/ ˌlɪθəˈmiːtɪə /

noun

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of lithometeor

First recorded in 1835–45; litho- + meteor