natural wastage
51birth control — regulation of the number of children born through the deliberate control or prevention of conception. Cf. family planning (def. 1). [1914, Amer.] * * * Voluntary limiting of human reproduction, using such means as contraception, sexual abstinence …
52ship — shipless, adj. shiplessly, adv. /ship/, n., v., shipped, shipping. n. 1. a vessel, esp. a large oceangoing one propelled by sails or engines. 2. Naut. a. a sailing vessel square rigged on all of three or more masts, having jibs, staysails, and a… …
53Geology of Somerset — Somerset is a rural county in the southwest of England, covering convert|4171|km2|sqmi|0. It is bounded on the north west by the Bristol Channel, on the north by Bristol and Gloucestershire, on the north east by Wiltshire, on the south east by… …
54erosion — erosional, adj. /i roh zheuhn/, n. 1. the act or state of eroding; state of being eroded. 2. the process by which the surface of the earth is worn away by the action of water, glaciers, winds, waves, etc. [1535 45; < L erosion (s. of erosio). See …
55economic development — Process whereby simple, low income national economies are transformed into modern industrial economies. Theories of economic development the evolution of poor countries dependent on agriculture or resource extraction into prosperous countries… …
56Urban planning — Housing and Urban Development redirects here. For the Cabinet department of the United States government, see United States Department of Housing and Urban Development. Urban planning designs settlements, from the smallest towns to the largest… …
57Holi — Festival of Colours Lord Krishna playing Holi with Radha and other Gopis Observed by Hindus, mainly in India, Nepal, Sri Lanka and Slough …
58Quaternary extinction event — Late Pleistocene landscape of northern Eurasia The Quaternary period saw the extinctions of numerous predominantly larger, especially megafaunal, species, many of which occurred during the transition from the Pleistocene to the Holocene epoch.… …
59DNA vaccination — The making of a DNA vaccine. DNA vaccination is a technique for protecting an organism against disease by injecting it with genetically engineered DNA to produce an immunological response. Nucleic acid vaccines are still experimental, and have… …
60Shantung — /shan tung / or, for 2, /shan tung/; for 1, also Chin. /shahn doong /, n. 1. Shandong. 2. (often l.c.) Textiles. a. a heavy pongee. Cf. tussah. b. a fabric imitating this, of rayon or cotton. * * * ▪ province …
