[ plɛn'ɛ: ]
■ adjective denoting or relating to a 19th-century style of painting outdoors which became a central feature of French Impressionism.
Origin
from Fr. en plein air 'in the open air'.
PLEIN-AIR
Meaning of PLEIN-AIR in English
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004