impenetrable+to+air
51FORÊTS — La forêt est une formation végétale dans laquelle les arbres prédominent au point de modifier les conditions écologiques régnant au sol. Elle est dite dense ou fermée si les arbres (ou mieux la projection des cimes sur le sol) sont jointifs ou… …
52KABBALAH — This entry is arranged according to the following outline: introduction general notes terms used for kabbalah the historical development of the kabbalah the early beginnings of mysticism and esotericism apocalyptic esotericism and merkabah… …
53Aerospace Defense Command — Emblem of Aerospace Defense Command (1969 1979) Active 1946–1980 Country …
54Charles Lindbergh — This article is about the 20th Century aviator. For other uses, see Charles Lindbergh (disambiguation). Charles Lindbergh Charles Lindbergh, photo by Harris Ewing Born February 4, 1902(1902 …
55Presidential Unit Citation (United States) — Presidential Unit Citation Army and Air Force P.U.C …
56china — /chuy neuh/, n. 1. a translucent ceramic material, biscuit fired at a high temperature, its glaze fired at a low temperature. 2. any porcelain ware. 3. plates, cups, saucers, etc., collectively. 4. figurines made of porcelain or ceramic material …
57China — /chuy neuh/, n. 1. People s Republic of, a country in E Asia. 1,221,591,778; 3,691,502 sq. mi. (9,560,990 sq. km). Cap.: Beijing. 2. Republic of. Also called Nationalist China. a republic consisting mainly of the island of Taiwan off the SE coast …
58environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …
59North America — North American. the northern continent of the Western Hemisphere, extending from Central America to the Arctic Ocean. Highest point, Mt. McKinley, 20,300 ft. (6187 m); lowest, Death Valley, 276 ft. (84 m) below sea level. 400,000,000 including… …
60TARDIS — The TARDIS used from 2005 to 2010 on display at BBC Television Centre …
