stratus

[ strey-tuh s, strat-uh s ]

/ ˈstreɪ təs, ˈstræt əs /

noun, plural stra·ti [strey-tahy, strat-ahy] /ˈstreɪ taɪ, ˈstræt aɪ/.

a cloud of a class characterized by a gray, horizontal layer with a uniform base, found at a lower altitude than altostratus, usually below 8000 feet (2400 meters).

Nearby words

stratum corneum, stratum functionale, stratum lucidum, stratum spongiosum, stratum title, stratus, stratus clouds, straus, strauss, strauss, johann, the younger, strauss, richard

Origin of stratus

1795–1805; < Latin strātus; see stratum

Definition for strati (2 of 2)

strati-

a combining form representing stratum in compound words: stratiform.

Origin of strati-

strat(um) + -i-

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for strati (1 of 2)

strati-

combining form

indicating stratum or stratastratiform; stratigraphy

British Dictionary definitions for strati (2 of 2)

stratus

/ (ˈstreɪtəs) /

noun plural -ti (-taɪ)

a grey layer cloudCompare cirrus (def. 1), cumulus

Word Origin for stratus

C19: via New Latin from Latin: strewn, from sternere to extend

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for strati

stratus

[ străt′əs, strā′təs ]

Plural strati (străt′ī, strā′tī)

A diffuse, grayish cloud that often produces drizzle and is formed primarily in altitudes no higher than 2,000 m (6,560 ft). A stratus cloud close to the ground or water is called fog. See illustration at cloud.