cloudtop

English

Etymology

cloud +‎ top

Noun

cloudtop (plural cloudtops)

1. The topmost layer of cloud.
   • 1932, Robert LeMoyne Barrett, Katharine Ellis Barrett, Cloudtop Mosaics, page 44:

     The rains are only from October to December, and very rarely does the summer cloudtop rise to our level and sweep cool fringes over us, never depositing visible moisture anywhere.

   • 2014, John Westfall, William Sheehan, Celestial Shadows: Eclipses, Transits, and Occultations, page 546:

     A third ring system was added in March 1979 when Voyager-1 flew past Jupiter and imaged the outer edge of a faint, tenuous ring, 57,000 km above the planet's cloudtops.