keel+upward
91Eastern savannas of the United States — The eastern savannas of the United States covered large portions of the east side of the continent until the early 20th century. These were in a fire ecology of open grassland and forests with low ground cover of herbs and grasses.The frequent… …
92bioluminescence — bioluminescent, adj. /buy oh looh meuh nes euhns/, n. the production of light by living organisms. [1915 20; BIO + LUMINESCENCE] * * * Emission of light by an organism or biochemical system (e.g., the glow of bacteria on decaying meat or fish,… …
93crane — /krayn/, n., v., craned, craning. n. 1. any large wading bird of the family Gruidae, characterized by long legs, bill, and neck and an elevated hind toe. 2. (not used scientifically) any of various similar birds of other families, as the great… …
94Crane — /krayn/, n. 1. (Harold) Hart, 1899 1932, U.S. poet. 2. Stephen, 1871 1900, U.S. novelist, poet, and short story writer. * * * I Any of 15 species (family Gruidae) of tall wading birds that resemble herons but are usually larger and have a partly… …
95kite — kite1 kiter, n. kitelike, adj. /kuyt/, n., v., kited, kiting. n. 1. a light frame covered with some thin material, to be flown in the wind at the end of a long string. 2. any of several small birds of the hawk family Accipitridae that have long,… …
96rib — rib1 ribber, n. ribless, adj. riblike, adj. /rib/, n., v., ribbed, ribbing. n. 1. one of a series of curved bones that are articulated with the vertebrae and occur in pairs, 12 in humans, on each side of the vertebrate body, certain pairs being… …
97timber — timberless, adj. timbery, adj. /tim beuhr/, n. 1. the wood of growing trees suitable for structural uses. 2. growing trees themselves. 3. wooded land. 4. wood, esp. when suitable or adapted for various building purposes. 5. a single piece of wood …
98water rat — 1. any of various rodents having aquatic habits. 2. the muskrat, Ondatra zibethica. 3. (in Australia and New Guinea) any of the aquatic rats of the subfamily Hydromyinae, esp. of the genus Hydromys. 4. Slang. a vagrant or thief who frequents a… …
99aerospace industry — Introduction assemblage of manufacturing concerns that deal with vehicular flight within and beyond the Earth s atmosphere. (The term aerospace is derived from the words aeronautics and spaceflight.) The aerospace industry is engaged in the …
100canals and inland waterways — ▪ waterway Introduction natural or artificial waterways used for navigation, crop irrigation, water supply, or drainage. Despite modern technological advances in air and ground transportation, inland waterways continue to fill a vital …
