n.

1. Mathematics.
   1. The portion of a circle bounded by two radii and the included arc.
   2. A measuring instrument consisting of two graduated arms hinged together at one end.
2. 1. A division of a defensive position for which one military unit is responsible.
   2. A division of an offensive military position.
3. A part or division, as of a city or a national economy: the manufacturing sector; the private sector.
4. Computer Science. A portion of a magnetic storage device making up the smallest addressable unit of information.

tr.v., -tored, -tor·ing, -tors.

To divide (something) into sectors.

[Late Latin, from Latin, cutter, from sectus, past participle of secāre, to cut.]

sectorial sec·to'ri·al (-tôr'ē-əl, -tōr'-) adj.

The smallest unit of storage read or written on a disk. See magnetic disk.

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1. An area of the economy in which businesses share the same or a related product or service.

2. A group of securities in the same industry or market.

Investopedia Says:
1. Dividing an economy into different like pieces allows for more in-depth analysis of the economy as a whole. Any economy can be divided into sectors, such as the economy of a particular city, or the global economy. The oil and gas sector is an example of an economic sector.

2. It is common for analysts to specialize in certain sectors. For example, at a large research firm, an analyst may cover only pharmaceutical companies. Investment funds often specialize in a particular economic sector, a practice known as sector investing.

Related Links:
We look at how the market signals impending economic cycles and sector performance during each stage. Sector Rotation: The Essentials
Find the investing "sweet spot" by combining these two styles. Where Top Down Meets Bottoms Up
In this feature, we take an in-depth look at the various techniques that determine the value and investment quality of companies from an industry perspective. Industry Handbook
The past century was marked by furious economic change. What can it tell us about what lies ahead? The Stock Market: A Look Back
Do you have the best mix of investments? Find out how to make sure. Major Blunders In Portfolio Construction
This volatile sector can provide huges gains, but there's also lots of downside. The Ups And Downs Of Biotechnology
Forget the latest craze - you're more likely to succeed with a buy-and-hold strategy. Long-Term Investing: Hot Or Not?

1. Particular group of stocks, usually found in one industry. Securities Analysts often follow a particular sector of the stock market, such as airline or chemical stocks.

2. Part of the economy, as in private sector or public sector.

3. Division of a computer Floppy Disk.

n

Definition: area, subdivision
Antonyms: whole

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is short for:

Space Exploration And Colonization Through Organized Relationships

(DOD, NATO) 1. An area designated by boundaries within which a unit operates, and for which it is responsible. 2. One of the subdivisions of a coastal frontier. See also area of influence; zone of action.

This entry is from Wikipedia, the leading user-contributed encyclopedia. It may not have been reviewed by professional editors (see full disclaimer)

Dansk (Danish)
n. - sektor, område, afsnit, udsnit
v. tr. - opdele i sektorer

Nederlands (Dutch)
sector, terrein

Français (French)
n. - secteur
v. tr. - sectoriser

Deutsch (German)
n. - Sektor, Bereich
v. - (unter)teilen

Ελληνική (Greek)
n. - τομέας, αναλογικός διαβήτης, (Η/Υ) τομέας δισκέτας
v. - χωρίζω σε τομείς, (Η/Υ) χωρίζω δίσκο ή δισκέτα σε τομείς

Italiano (Italian)
settore, provincia

Português (Portuguese)
n. - setor (m), compasso de proporção (m)
v. - setorizar

Русский (Russian)
сектор, участок, кулиса, пропорциональный циркуль

Español (Spanish)
n. - sector, sección, zona
v. tr. - dividir en sectores

Svenska (Swedish)
n. - sektor, område, avsnitt
v. - dela in i sektorer

中文（简体） (Chinese (Simplified))
扇形, 防御地段, 扇形面, 防区, 把...分成部分, 把...分成扇形

中文（繁體） (Chinese (Traditional))
n. - 扇形, 防禦地段, 扇形面, 防區
v. tr. - 把...分成部分, 把...分成扇形

한국어 (Korean)
n. - (기하) 부채꼴, 전투지구, 활동 분야
v. tr. - 부채꼴로 분할하다, 부채꼴로 구분하다

日本語 (Japanese)
n. - 部門, 扇形, 防衛区域, 関数尺

العربيه (Arabic)
‏(الاسم) قطاع ألدائرة (فعل) يقسم ألى قطاعات‏

עברית (Hebrew)
n. - ‮מגזר, גזרה, ענף, תחום, מקטע (במעגל)‬
v. tr. - ‮חילק לקטעים, תחומים וכו'‬

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sector	Sector Watches
Sector 9	sector 750