from the GNU version of the Collaborative International Dictionary of English
- n. An alto-stratus cloud.
from The Century Dictionary and Cyclopedia
- n. A cloud very like cirro-stratus, but more compact in structure, and formed at a lower altitude.
Sorry, no etymologies found.
As might have been expected under the circumstances, the low dark cloud came out quite well, but there was not the faintest trace of the strato-cirrus on the negative.
It was a dull afternoon, a low foggy stratus was driving rapidly across the sky at a low level, and through the general misty gloom of a northern winter day we could just make out some striated stripes of strato-cirrus -- low cirro-stratus -- between the openings in the lower cloud layer.
Ekholm and Hagström, however, succeeded in measuring both layers of cloud, and found that the low stratus was floating at an altitude of about 2,000 feet high, while the upper strato-cirrus was driving from S. 57° W. at an altitude of