(geology, seismology) An area of the Earth's surface where seismographs cannot detect direct P-waves or S-waves from an earthquake.

(Nigeria, government) A type of federally recognised region in Nigeria, consisting of multiple states. / Used other than figuratively or idiomatically: see geopolitical, zone.

Third-person singular simple present indicative form of flood the zone

simple past tense and past participle of flood the zone

present participle of flood the zone

A trance-like state of immersion reached through intense interaction with gambling machines.

(American football) an infraction in which a football player, on defense, gets into or crosses the neutral zone during the snap, causing an offensive player to false start. The penalty is against the defense, not the offense. It is a 5 yard penalty.

An area in which the local or regional authorities have banned nuclear weapons and nuclear power stations.

a very pure form of crystalline silicon, made by vertical zone melting

The temperate zone between the Antarctic Circle and the Tropic of Capricorn.