cross drift
41particle accelerator — accelerator (def. 7). [1945 50] * * * Device that accelerates a beam of fast moving, electrically charged atoms (ions) or subatomic particles. Accelerators are used to study the structure of atomic nuclei (see atom) and the nature of subatomic… …
42United Kingdom — a kingdom in NW Europe, consisting of Great Britain and Northern Ireland: formerly comprising Great Britain and Ireland 1801 1922. 58,610,182; 94,242 sq. mi. (244,100 sq. km). Cap.: London. Abbr.: U.K. Official name, United Kingdom of Great… …
43William Lummis — Infobox Person name = William Murrell Lummis caption = Canon W. M. Lummis birth date = June 4, 1886 birth place = Coddenham, Suffolk death date = November 2, 1985 (age 99 years) death place = other names = Canon William Murrell Lummis known for …
44glacial landform — ▪ geology Introduction any product of flowing ice and meltwater. Such landforms are being produced today in glaciated areas, such as Greenland, Antarctica, and many of the world s higher mountain ranges. In addition, large expansions of present… …
45tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …
46Gonville Bromhead — Infobox Military Person name= Gonville Bromhead lived= 1845 1892 placeofbirth=Versailles, France placeofdeath=Allahabad, British India caption= Gonville Bromhead c 1872 nickname= allegiance= branch=British Army serviceyears= c 1871 1892… …
47Alfred Henry Hook — Infobox Military Person name=Alfred Henry Hook lived=6 August 1850 12 March 1905 placeofbirth=Churcham, Gloucestershire, England placeofdeath=Gloucester, Gloucestershire, England caption=Hook pictured with his Victoria Cross nickname=… …
48navigation — navigational, adj. /nav i gay sheuhn/, n. 1. the act or process of navigating. 2. the art or science of plotting, ascertaining, or directing the course of a ship, aircraft, or guided missile. [1520 30; < L navigation (s. of navigatio) a voyage.… …
49Liste chronologique des jeux vidéo de course — Liste chronologique de jeux vidéo de course. Sommaire 1 1973 2 1974 3 1975 4 1976 5 1977 …
50evolution — evolutional, adj. evolutionally, adv. /ev euh looh sheuhn/ or, esp. Brit., /ee veuh /, n. 1. any process of formation or growth; development: the evolution of a language; the evolution of the airplane. 2. a product of such development; something… …
