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cirrus

[ US /ˈsɪɹəs/ ]
[ UK /sˈɪɹəs/ ]
NOUN
  1. a wispy white cloud (usually of fine ice crystals) at a high altitude (4 to 8 miles)
  2. a slender flexible animal appendage as on barnacles or crinoids or many insects; often tactile
  3. usually coiled

How To Use cirrus In A Sentence

  • Howard's full range of terms was: cirrus (for clouds made up of ‘parallel, flexuous, or dividing fibres’); cumulus (for convex or conical heaps, building upwards from a horizontal base); and stratus, horizontal sheets of cloud.
  • I admit there was a time when I didn't know a cirrus from a cumulus and sincerely believed that a lenticularis was a luxury car from Toyota. Toronto Sun
  • Cirrus clouds indicated the distant approach of a trough, both in the surface and upper air.
  • In the troposphere, water exists as vapor in air, as liquid droplets in clouds, and as frozen ice particles in high altitude cirrus clouds.
  • However, high, wispy cirrus clouds, that can have relatively large droplets, do not reflect solar light very effectively, but will almost completely reflect longwave infrared radiation. Aerosols
  • We were holding formation real well in cirrus clouds when the division leader "chickened out" just north of Hamburg and gave the recall. THE BOMBING OF SWITZERLAND
  • One of the bayadères rose with a lithe and supple movement of the body not comparable to anything save the slow separating of a white scud from the main cloud which one sees on a summer's day high up in the cirrus regions.
  • You could see nothing but the cirrus overcast from horizon to horizon.
  • High-altitude cirrus, cirrostratus and middle-altitude altostratus clouds are found well in advance of the front. Air masses and frontal transitional zones
  • Thin strands of cirrus cloud glowed red as the sun rose.
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