Block

Block may refer to:
* A way of controlling train movement in railway signalling
* Postage stamp block, an attached group of postage stamps

Objects

* 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
* Freewheel, a set of rear sprockets that attaches to a hub on the rear wheel

Unit 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

cience

* Block (extraction of petroleum), a sub-division of an underground reservoir
* Block (meteorology), large-scale near-stationary patterns in the atmospheric pressure field

ports

* 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

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)
* In graph theory, a maximally 2-connected subgraph or a bridge with its endvertices

Music

* Block Entertainment, a record label
* Blocks Recording Club, a record label
* Block form musical form

ee also

*Blocking
*Bloc