- (context, physics, Meteorology) A principal high-level cloud type appearing as a thin, white patch of cloud without shadows, composed of very small droplets in the form of grains or ripples. The elements may be merged or separate, and more or less regularly arranged; they subtend an angle of less than 1Â° when observed at an angle of more than 30Â° above the horizon. Holes or rifts often occur in a sheet of cirrocumulus. Abbreviated Cc.
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