Block 40808 226000235 2008-07-16T11:35:38Z Nmnogueira 740742 formatted section title {{wiktionarypar|block}} {{selfref|For Wikipedia's use of blocks, please see the [[Wikipedia:Blocking policy|Blocking policy]].}} '''Block''' may refer to: * A way of controlling train movement in [[Railway signalling#Blocks|railway signalling]] * [[Postage stamp block]], an attached group of postage stamps ==Objects that resemble rectangular prisms, known as [[cuboid]]s== [[Image:Cuboid.png|thumb|right|120px|[[Cuboid]]]] * A large concrete or stone [[brick]] * [[Block (sailing)]], a single or multiple pulley used on sailboats * [[Cylinder block]], the main part of an internal combustion engine * [[Toy block]], one of a set of wooden or plastic pieces of various shapes ==Area of land== * [[Block (country subdivision)]], a unit of government in some South Asian countries * [[Census block]], the smallest geographical unit in the U.S. Census Bureau * [[City block]], an area surrounded but not divided by streets ==Science== * [[Block (extraction of petroleum)]], a sub-division of an underground reservoir * [[Block (meteorology)]], large-scale near-stationary patterns in the atmospheric pressure field ==Sports== * [[Blocking (American football)]], when a player obstructs another player's path * [[Block (basketball)]], when a defensive player legally deflects a shot * [[Blocking (martial arts)]], a defensive technique in the martial arts * [[Cassette (bicycle part)]], a set of rear sprockets that attaches to a hub on the rear wheel. ==Technology== * [[Block (data storage)]], the practice of storing electronic data in equally-sized units * [[Block-level element]] in the HTML markup language * [[Block (telecommunications)]], a unit of data transmission * [[Statement block]], a segment of a program * [[Block (internet)]], technical measures to restrict users' access to certain internet resources * [[Boom Blox]], a video game for the [[Wii]] console from EA, previously known as ''Blocks'' ==Mathematics== * [[Block design]], a kind of set system in combinatorial mathematics * [[Block (group theory)]] * A maximally 2-connected subgraph or a bridge with its endvertices in [[Glossary_of_graph_theory#Connectivity|graph theory]] ==Music== * [[Block Entertainment]], a record label * [[Blocks Recording Club]], a record label * [[Musical form|Block form]] ==See also== *[[Blocking]] *[[Bloc]] {{disambig}} [[de:Block]] [[es:Bloque]] [[fr:Block]] [[nl:Blok]] [[ru:Блок]] [[fi:Blokki]]