noun (plural altostrati) Etymology: New Latin, from Latin altus + New Latin -o- + stratus Date: 1894 a fairly uniform mid-altitude layer of gray cloud darker than cirrostratus
ALTOSTRATUS
Meaning of ALTOSTRATUS in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012