Sector

Definition

Sector is a noun. It refers to a distinct part or division of a larger system, organization, or area, often categorized by specific functions, industries, or regions. It can also describe a portion of a circle bounded by two radii and the connecting arc.

Parts of Speech

• Noun

Pronunciation

American English

• IPA Pronunciation: /ˈsɛk.tər/
• Respelling: SEK-tuhr

British English

• IPA Pronunciation: /ˈsɛk.tə/
• Respelling: SEK-tuh

Etymology

The word "sector" originates from Latin "sector," meaning "a cutter" or "divider," derived from "secare," which means "to cut." It was first used in English in the 16th century to refer to mathematical divisions and later expanded to broader contexts.

Derivatives

• Sectorial (adjective)
• Sectorize (verb)
• Sectoring (noun/verb form)
• Multisector (adjective)
• Subsector (noun)

Synonyms

• Division
• Segment
• Zone

Antonyms

• Whole
• Unity
• None

Usage

The term "sector" is frequently used in economics, geography, and military contexts. Examples include "The financial sector is experiencing growth" and "Each sector of the circle was shaded differently."

Related Terms

• Industry: A specific branch of economic or commercial activity.
• Region: A defined geographical area.
• Segment: A part or section of a larger whole.

Detailed Definitions

Noun

• A part or division of a system or organization: Refers to a functional category within a larger framework.
  • Example: "The technology sector is rapidly expanding."
• A portion of a circle: Refers to the area enclosed by two radii and the connecting arc.
  • Example: "The diagram showed each sector representing a percentage of the data."
• A geographic or military area: Refers to a defined zone within a larger area, often for operational purposes.
  • Example: "The army was deployed to the northern sector of the battlefield."