internal centre locating ring
21Sweden — This article is about the country. For other uses, see Sweden (disambiguation). Kingdom of Sweden Konungariket Sverige …
22architecture — /ahr ki tek cheuhr/, n. 1. the profession of designing buildings, open areas, communities, and other artificial constructions and environments, usually with some regard to aesthetic effect. Architecture often includes design or selection of… …
23Onychophora — Temporal range: 40–0 Ma …
24Earthquake — For other uses, see Earthquake (disambiguation). Global earthquake epicenters, 1963–1998 …
25glacier — glaciered, adj. /glay sheuhr/, n. an extended mass of ice formed from snow falling and accumulating over the years and moving very slowly, either descending from high mountains, as in valley glaciers, or moving outward from centers of… …
26Coventry — For other uses, see Coventry (disambiguation). City of Coventry   City Metropolitan borough   …
27Address (geography) — An address is a collection of information, presented in a mostly fixed format, used for describing the location of a building, apartment, or other structure or a plot of land, generally using political boundaries and street names as references,… …
28permafrost — /perr meuh frawst , frost /, n. (in arctic or subarctic regions) perennially frozen subsoil. Also called pergelisol. [1943; PERMA(NENT) + FROST] * * * Perennially frozen earth, with a temperature below 32 °F (0 °C) continuously for two years or… …
29telescope — /tel euh skohp /, n., adj., v., telescoped, telescoping. n. 1. an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens… …
30Economy of ancient Tamil country — The economy of the ancient Tamil country (Sangam era: 200 BCE – 200 CE) describes the ancient economy of a region in southern India that covers the present day stateTamil Nadu. The main economic activities were agriculture, weaving, pearl fishery …
