undercutting
11Glossary of cue sports terms — The following is a glossary of traditional English language terms used in the three overarching cue sports disciplines: carom (or carambole) billiards referring to the various carom games played on a billiard table without pockets; pool (pocket… …
12Causes of landslides — The causes of landslides are usually related to instabilities in slopes. It is usually possible to identify one or more landslide causes and one landslide trigger. The difference between these two concepts is subtle but important. The landslide… …
13History of psychosurgery in the United Kingdom — Psychosurgery is a surgical operation that destroys brain tissue in order to alleviate the symptoms of mental disorder. [Mental Health Act 1983, section 57.] The lesions are usually, but not always, made in the frontal lobes. Tissue may be… …
14Coast — For other uses, see Coast (disambiguation). A coastline or seashore is the area where land meets the sea or ocean.[1] A precise line that can be called a coastline cannot be determined due to the dynamic nature of tides. The term coastal zone can …
15Oregon Trail — For other uses, see Oregon Trail (disambiguation). Oregon Trail The route of the Oregon Trail shown on a map of the western United States from Independence, Missouri (on the eastern end) to Oregon City, Oregon (on the western end) …
16Cold front — For the Star Trek: Enterprise episode, see Cold Front (Star Trek: Enterprise). For the G.I. Joe character, see Cold Front (G.I. Joe). The symbol of a cold front: a blue line with triangles pointing in the direction of travel A cold front is… …
17Bathsua Makin — Bathsua Reginald Makin (c. 1600 c. 1675) was a proto feminist, middle class Englishwoman who contributed to the emerging criticism of woman’s position in domestic and public spheres in seventeenth century England. Herself a highly educated woman …
18Third Party System — The Third Party System is a term of periodization used by some historians and political scientists to describe a period in American political history from about 1854 to the mid 1890s that featured profound developments in issues of nationalism,… …
19E. J. Korvette — Infobox Company name = E. J. Korvette type = discount department store genre = retail foundation = 1948 founder = location city = New York City location country = United States location = locations = area served = eastern United States key people …
20Spur gear corrected tooth — Spur gear teeth are manufactured by either involute profile or cycloidal profile. Most of the gears are manufactured by involute profile with 20° pressure angle. When two gears are in mesh at one instant there is a chance to mate involute portion …
