altostratusn.

Brit.

/ˌaltəʊˈstrɑːtəs/, U.S.

/ˌæltoʊˈstreɪdəs/,

/ˌɔltoʊˈstreɪdəs/,

/ˌɑltoʊˈstreɪdəs/; see also stratus n.

Origin: A borrowing from French. Etymon: French alto-stratus.

Etymology: < French alto-stratus (1875 or earlier) < classical Latin altus high (see altus n.) + French -o- -o- connective + stratus stratus n.; compare stratus elevée (1853 or earlier). Compare earlier cirro-stratus n. at cirro- comb. form 2. Compare also altocumulus n.

Meteorology.

Cloud forming a continuous uniform layer which resembles stratus but occurs at medium altitude (typically 6,500 to 23,000 ft, 2 to 7 km). Frequently attributive.

ΘΚΠ

the world > the earth > weather and the atmosphere > weather > cloud > [noun] > a cloud > stratus > in middle cloud region

altostratus1890

1887 Q. Jrnl. Royal Meteorol. Soc. 13 151 Now in the tables from Parc St. Maur inserted into the Annales du Bureau Météorologique de France we find only: K cirrus, K K cirro-stratus, A nuages étalés (stratus), A A alto-stratus, C cumulus, C C cumulo-stratus.]

1890 Amer. Meteorol. Jrnl. 6 474 The classification reduces the number of forms to the ten following. Cirrus... Strato-cirrus or alto-stratus.

1908 Rep. Internat. Meteorol. Conf. Innsbruck Sept. 1905 79 Rain and snow fall from altostratus, when it has developed into a slate-grey layer.

1934 A. H. R. Goldie Abercromby's Weather (rev. ed.) iv. 73 Every form is observed between high altostratus and cirrostratus on the one hand, and low altostratus and nimbostratus on the other.

1959 R. E. Huschke Gloss. Meteorol. 611 Virga is frequently seen trailing from altocumulus and altostratus clouds.

2009 J. Struthers Red Sky at Night 97 These clouds tend to thicken into altostratus when a warm front approaches.

This entry has been updated (OED Third Edition, September 2012; most recently modified version published online December 2021).

单词	altostratus
释义	altostratusn. Brit. /ˌaltəʊˈstrɑːtəs/, U.S. /ˌæltoʊˈstreɪdəs/, /ˌɔltoʊˈstreɪdəs/, /ˌɑltoʊˈstreɪdəs/; see also stratus n. Origin: A borrowing from French. Etymon: French alto-stratus. Etymology: < French alto-stratus (1875 or earlier) < classical Latin altus high (see altus n.) + French -o- -o- connective + stratus stratus n.; compare stratus elevée (1853 or earlier). Compare earlier cirro-stratus n. at cirro- comb. form 2. Compare also altocumulus n. Meteorology. Cloud forming a continuous uniform layer which resembles stratus but occurs at medium altitude (typically 6,500 to 23,000 ft, 2 to 7 km). Frequently attributive. ΘΚΠ the world > the earth > weather and the atmosphere > weather > cloud > [noun] > a cloud > stratus > in middle cloud region altostratus1890 1887 Q. Jrnl. Royal Meteorol. Soc. 13 151 Now in the tables from Parc St. Maur inserted into the Annales du Bureau Météorologique de France we find only: K cirrus, K K cirro-stratus, A nuages étalés (stratus), A A alto-stratus, C cumulus, C C cumulo-stratus.] 1890 Amer. Meteorol. Jrnl. 6 474 The classification reduces the number of forms to the ten following. Cirrus... Strato-cirrus or alto-stratus. 1908 Rep. Internat. Meteorol. Conf. Innsbruck Sept. 1905 79 Rain and snow fall from altostratus, when it has developed into a slate-grey layer. 1934 A. H. R. Goldie Abercromby's Weather (rev. ed.) iv. 73 Every form is observed between high altostratus and cirrostratus on the one hand, and low altostratus and nimbostratus on the other. 1959 R. E. Huschke Gloss. Meteorol. 611 Virga is frequently seen trailing from altocumulus and altostratus clouds. 2009 J. Struthers Red Sky at Night 97 These clouds tend to thicken into altostratus when a warm front approaches. This entry has been updated (OED Third Edition, September 2012; most recently modified version published online December 2021). < n.1890
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