From Longman Dictionary of Contemporary Englishzonezone1 /zəʊn $ zoʊn/ ●●○W3 noun [countable]1AREAa large area that is different from other areas around it in some waySan Francisco and Tokyo are both located in earthquake zones.The government has set up a special economic zone to promote private enterprise.► see thesaurus at area2 →in the zone → buffer zoneat buffer1(3), → no-fly zone, time zoneCOLLOCATIONSADJECTIVES/NOUN + zonea danger zoneCivilians were told to leave the danger zone.a war/battle/combat zonePlanes were diverted to avoid flying over the war zone.an earthquake zone (=where earthquakes are quite likely to happen)It’s not advisable to build nuclear reactors in an earthquake zone.a disaster zoneThe damage is so serious that the government has declared the city a disaster zone.an economic zone (=an area with special trade or tax conditions)The area has been made a special economic zone.an enterprise zone (=where businesses are encouraged)Small businesses predominated in the enterprise zone.a no-parking zoneYou can’t leave your car here – it’s a no-parking zone.a pedestrian zone (=where no vehicles are allowed)The main part of the city centre is a pedestrian zone.a 20 mph/30 mph etc zone (=where vehicles’ speed is limited to 20 mph, 30 mph etc)He was doing 42 mph in a 30 mph zone.a demilitarized zone (=where soldiers and military activities are not allowed)The demilitarized zone between Iraq and Kuwait was created after the first Gulf war.a no-fly zone (=an area that aircraft are not allowed to fly in)the no-fly zone over Iraqa nuclear-free/smoke-free etc zone (=where nuclear weapons, smoking etc is not allowed)The county council offices are a smoke-free zone.verbsset up/establish/create a zoneThe government intends to set up an enterprise zone in the region.enter a zoneHe didn’t see the sign saying he’d entered a 20 mph zone.
zone• More than three-quarters of the province has now been zoned.• Abrams' land is currently zoned for residential use.• Rita Ranch was zonedindustrial long before homes started sprouting there.• What? Oh, sorry - I was just zoning out there for a minute.From Longman Business Dictionaryzonezone1 /zəʊnzoʊn/ noun1[countable] a large area that is different from others around it in some wayThis is a no-parking zone.90% of non-smokers want smoke-free zones at work and in public places.2licence-free/passport-free etc zone a group of countries where you do not need a licence to import goods, you do not need special documents to travel etc3residential/industrial/commercial etc zonePROPERTY an area of a city that is used for a particular purpose or activity, such as houses or shopsThe trucks are limited by federal law to the commercial zone.The company’s five factories are situated in a new industrial zone outside the city. →development zone →duty-free zone →economic zone →enterprise zone →euro-zone →foreign trade zone →free zone →special economic zone →tax-free zone →time zonezonezone2 verb [transitive] American EnglishPROPERTYto divide a town or city into different areas for different purposesThe privately owned land is currently zoned for residential use (=for houses) . → see alsodownzoning —zoning adjectiveIn architecture you are dependent on clients, on craftsmen, and on zoning laws.→ See Verb table