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zone
(redirected from pellucid zone)

   Also found in: Medical, Encyclopedia, Wikipedia 0.04 sec.
zone  (zn)
n.
1. An area or a region distinguished from adjacent parts by a distinctive feature or characteristic.
2.
a. 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.
b. A similar division on any other planet.
c. Mathematics A portion of a sphere bounded by the intersections of two parallel planes with the sphere.
3. Ecology An area characterized by distinct physical conditions and populated by communities of certain kinds of organisms.
4. Anatomy A ringlike or cylindrical growth or structure.
5. Geology A region or stratum distinguished by composition or content.
6. A section of an area or territory established for a specific purpose, as a section of a city restricted to a particular type of building, enterprise, or activity: a residential zone.
7. An area of a given radius within which a uniform rate is charged, as for transportation or shipping.
8. Computer Science
a. A region on a punch card or on magnetic tape in which nondigital information is recorded.
b. A section of storage to be used for a particular purpose.
9. Archaic A belt or girdle.
tr.v. zoned, zon·ing, zones
1. To divide into zones.
2. To designate or mark off into zones.
3. To surround or encircle with or as if with a belt or girdle.
adj.
1. Of, relating to, associated with, or divided into zones; zonal.
2. Sports Of, relating to, or being a system of defense, especially in basketball and football, in which each defender guards a predetermined part of the playing area rather than an individual player.
Phrasal Verb:
zone out Informal
To lose concentration or become inattentive.
Idiom:
in the zone
Informal In a state of focused attention or energy so that one's performance is enhanced: a goalie who was in the zone throughout the playoffs.

[Middle English, one of the encircling regions of the earth, from Latin zna, girdle, celestial zone, from Greek zn.]
click for a larger image
zone
climatic zones
A. North Frigid Zone B. North Temperate Zone C. Torrid Zone D. South Temperate Zone E. South Frigid Zone

zone
Noun
1. a region, area, or section characterized by some distinctive feature or quality: a demilitarized zone
2. Geog one of the divisions of the earth's surface according to temperature
3. a section on a transport route
4. Maths a portion of a sphere between two parallel lines intersecting the sphere
5. NZ a catchment area for a specific school
Verb
[zoning, zoned]
to divide (a place) into zones for different uses or activities [Greek zōnē girdle]
zonal adj
zoning n

zone  (zn)
1. 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.
2. Ecology An area characterized by distinct physical conditions and populated by communities of certain kinds of organisms.
3. Mathematics A portion of a sphere bounded by the intersections of two parallel planes with the sphere.
4. Anatomy An area or a region distinguished from adjacent parts by a distinctive feature or characteristic.
5. Geology A region or stratum distinguished by composition or content.
click for a larger image
zone
climatic zones:
A. North Frigid Zone,
B. North Temperate Zone,
C. Torrid Zone,
D. South Temperate Zone,
E. South Frigid Zone
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.zone - a locally circumscribed place characterized by some distinctive features
island - a zone or area resembling an island
place, spot, topographic point - a point located with respect to surface features of some region; "this is a nice place for a picnic"; "a bright spot on a planet"
2.zone - any of the regions of the surface of the Earth loosely divided according to latitude or longitude
climatic zone - any of the geographical zones loosely divided according to prevailing climate and latitude
time zone - any of the 24 regions of the globe (loosely divided by longitude) throughout which the same standard time is used
transit zone - a six million square mile area that includes the Caribbean and the Gulf of Mexico and the eastern Pacific Ocean; includes the principal routes used by drug smugglers
3.zone - an area or region distinguished from adjacent parts by a distinctive feature or characteristic
region, part - the extended spatial location of something; "the farming regions of France"; "religions in all parts of the world"; "regions of outer space"
buffer zone, buffer - a neutral zone between two rival powers that is created in order to diminish the danger of conflict
combat area, combat zone - a military area where combat forces operate
danger zone - a dangerous area
demilitarized zone, DMZ - a zone from which military forces or operations or installations are prohibited; "tensions exist on both sides of the demilitarized zone separating North Korea and South Korea"
drop zone, dropping zone - an agreed area where military supplies are dropped to ground troops
kill zone, killing zone - an area where a battle has occurred with many fatalities
strike zone - (baseball) the area over home plate between a batter's knees and shoulders through which a pitch must pass in order to be called a strike
tidal zone - an area subject to tidal action
4.zone - (anatomy) any encircling or beltlike structure
anatomical structure, bodily structure, body structure, complex body part, structure - a particular complex anatomical part of a living thing; "he has good bone structure"
zona pellucida - thick membrane around the mammalian ovum; can be penetrated by one sperm in the fertilization process; usually remains around the fertilized egg until it is implanted in the wall of the uterus
zonula, zonule - small beltlike zone
anatomy, general anatomy - the branch of morphology that deals with the structure of animals
Verb1.zone - regulate housing in; of certain areas of towns
govern, regularise, regularize, regulate, order - bring into conformity with rules or principles or usage; impose regulations; "We cannot regulate the way people dress"; "This town likes to regulate"
2.zone - separate or apportion into sections; "partition a room off"
screen off, separate off - partition by means of a divider, such as a screen; "screen off this part of the room"
divide, separate - make a division or separation

zone
Translations
Spanish zone [zəun] nzona
French zone [zəun] nzone f
German zone [zəun] n (also Mil) → Zone f, Gebiet nt;
(in town) → Bezirk m

Italian zone [zəun] nzona

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