any of a group of calcareous, brownish gray soils based in a carbonate or hardpan layer, found in arid climates.
noun 1. a chain of hills or mountains, the peaks of which suggest the teeth of a saw. 2. any of several Spanish mackerels of the genus Scomberomorus, especially S. sierra, found in western North America. 3. a word used in communications to represent the letter S. noun 1. a range of mountains with jagged […]
noun 1. a mountain in S New Mexico: highest peak in the Sacramento Mountains. 11,997 feet (3651 meters).
- Sierra club
noun a U.S. environmental organization founded in 1892 dedicated to the preservation and expansion of the world’s parks, wildlife, and wilderness areas
[lee-oh-nee, lee-ohn] /liˈoʊ ni, liˈoʊn/ noun 1. an independent republic in W Africa: member of the Commonwealth of Nations; formerly a British colony and protectorate. 27,925 sq. mi. (72,326 sq. km). Capital: Freetown. Sierra Leone /sɪˈɛərə lɪˈəʊnɪ; lɪˈəʊn/ noun 1. a republic in W Africa, on the Atlantic: became a British colony in 1808 and […]