noun
- A type of white or gray cloud occurring in patches or rounded masses at medium altitude, typically between 6,500 and 20,000 feet.
Usage: meteorology; usually uncountable
Examples
- The sky was dotted with altocumulus clouds on that clear afternoon.
- Meteorologists identified the altocumulus formation as a sign of fair weather.
- Altocumulus clouds often appear in a rippled or wave-like pattern.
- The pilot reported altocumulus clouds at 15,000 feet during the flight.
- On summer mornings, altocumulus clouds frequently develop over the mountains.