become widely separated
21building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …
22railroad — /rayl rohd /, n. 1. a permanent road laid with rails, commonly in one or more pairs of continuous lines forming a track or tracks, on which locomotives and cars are run for the transportation of passengers, freight, and mail. 2. an entire system… …
23fern — fernless, adj. fernlike, adj. /ferrn/, n. any seedless, nonflowering vascular plant of the class Filicinae, of tropical to temperate regions, characterized by true roots produced from a rhizome, triangular fronds that uncoil upward and have a… …
24Fern — /ferrn/, n. a female given name. * * * Any of about 10,000–12,000 species (division Filicophyta) of nonflowering vascular plants that have true roots, stems, and complex leaves and reproduce by spores. Though ferns were once classified with the… …
25turkey — /terr kee/, n., pl. turkeys, (esp. collectively) turkey. 1. a large, gallinaceous bird of the family Meleagrididae, esp. Meleagris gallopavo, of America, that typically has green, reddish brown, and yellowish brown plumage of a metallic luster… …
26Turkey — /terr kee/, n. a republic in W Asia and SE Europe. 63,528,225; 296,184 sq. mi. (767,120 sq. km). (286,928 sq. mi. (743,145 sq. km) in Asia; 9257 sq. mi. (23,975 sq. km) in Europe). Cap.: Ankara. Cf. Ottoman Empire. * * * Turkey Introduction… …
27chemical bonding — ▪ chemistry Introduction any of the interactions that account for the association of atoms into molecules, ions, crystals, and other stable species that make up the familiar substances of the everyday world. When atoms approach one another …
28bridge — bridge1 bridgeable, adj. bridgeless, adj. bridgelike, adj. /brij/, n., v., bridged, bridging, adj. n. 1. a structure spanning and providing passage over a river, chasm, road, or the like. 2. a connecting, transitional, or intermediate route or… …
29race — race1 /rays/, n., v., raced, racing. n. 1. a contest of speed, as in running, riding, driving, or sailing. 2. races, a series of races, usually of horses or dogs, run at a set time over a regular course: They spent a day at the races. 3. any… …
30Race — /rays/, n. Cape, a cape at the SE extremity of Newfoundland. * * * I Term once commonly used in physical anthropology to denote a division of humankind possessing traits that are transmissible by descent and sufficient to characterize it as a… …
