a rarely seen, luminous, iridescent cloud shaped like a cirrus or altocumulus, approximately 15 miles (24 km) above the earth, and of unknown composition.
What Does 💭 Thought Balloon Emoji Mean?The thought balloon emoji means you are thinking through something, as in trying to make a decision or come up with what to say next.
What Is The Difference Between Snow Flurries And Snow Showers?Snow refers to the partially frozen water vapor which falls in flakes. The expression snow flurries refers to light, intermittent snowfall without significant accumulation. Snow flurries tend to come from stratiform clouds. Snow showers is the label used to refer to a short period of light-to-moderate snowfall, also characterized by a sudden beginning and ending. There is some accumulation with snow showers, and they fall from convective or cumuliform clouds. A snow …
Also called mother-of-pearl cloud.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Science definitions for nacreous cloud
[ nā′krē-əs ]
A cloud resembling a cirrus, showing iridescent coloration when the Sun is several degrees below the horizon. These clouds appear mostly during winter in regions of high latitude.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.