Origin of zone

1490–1500; < Latin zōna < Greek zṓnē belt
1 region.
17 gird, band.
Related formszone·less, adjectivein·ter·zone, nounmis·zone, verb, mis·zoned, mis·zon·ing.un·zone, verb (used with object), un·zoned, un·zon·ing.

Synonym study

1. See belt.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for interzone


/ (zəʊn) /


verb (tr)

Derived Formszoning, noun

Word Origin for zone

C15: from Latin zōna girdle, climatic zone, from Greek zōnē
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for interzone



late 14c., from Latin zona "geographical belt, celestial zone," from Greek zone "a belt," related to zonnynai "to gird," from PIE root *yes- "to gird, girdle" (cf. Avestan yasta- "girt," Lithuanian juosiu "to gird," Old Church Slavonic po-jasu "girdle").

Originally one of the five great divisions of the earth's surface (torrid, temperate, frigid; separated by tropics of Cancer and Capricorn and Arctic and Antarctic circles); meaning "any discrete region" is first recorded 1822. Zone defense in team sports is recorded from 1927. Zoning "land-use planning" is recorded from 1912. Zoned (adj.) in drug-use sense is attested 1960s, from ozone, which is found high in the atmosphere; the related verb to zone is from 1980s.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for interzone


[ zōn ]


An area or a region distinguished from adjacent parts by a distinctive feature or characteristic.
A segment.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for interzone


[ zōn ]

Any of the five regions of the surface of the Earth that are loosely divided according to prevailing climate and latitude, including the Torrid Zone, the North and South Temperate zones, and the North and South Frigid zones.
Ecology An area characterized by distinct physical conditions and populated by communities of certain kinds of organisms.
Mathematics A portion of a sphere bounded by the intersections of two parallel planes with the sphere.
Anatomy An area or a region distinguished from adjacent parts by a distinctive feature or characteristic.
Geology A region or stratum distinguished by composition or content.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.