up crack in Wiktionary, the free dictionary. Crack frequently refers to: Crack, a fracture in a body Crack, a fracture (geology) in a rock Crack, short...

Crack cocaine, commonly known simply as crack, and also known as rock, is a free base form of the stimulant cocaine that can be smoked. Crack offers a...

The crack epidemic was a surge of crack cocaine use in major cities across the United States throughout the entirety of the 1980s and the early 1990s...

Look up cracking in Wiktionary, the free dictionary. Cracking may refer to: Cracking, the formation of a fracture or partial fracture in a solid material...

Leftöver Crack is an American punk rock band formed in 1998, following the breakup of Choking Victim. The band is currently signed to Tankcrimes for CD...

excerpt from "Jah War" Problems playing this file? See media help. The Crack is the debut album by English punk rock band The Ruts, released in 1979...

Joint cracking is the manipulation of joints to produce a sound and related "popping" sensation. It is sometimes performed by physical therapists, chiropractors...

of the propagation of cracks in materials. It uses methods of analytical solid mechanics to calculate the driving force on a crack and those of experimental...

residents.[citation needed] In some cases, enraged citizens have burned crack houses to the ground, in hopes that by destroying the sites for drug operations...

fatigue is the initiation and propagation of cracks in a material due to cyclic loading. Once a fatigue crack has initiated, it grows a small amount with...