operator

/'ɔpəreitə/
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Thân thiện
operator

A telephone operator connects a call using a switchboard.

Definition
  1. Noun:
    • A person who operates or controls a machine or piece of equipment: An "operator" is someone who runs a device, system, or apparatus.
    • A person who runs a business or enterprise: An "operator" can be the owner or manager of a business, franchise, or industrial site.
    • A shrewd or resourceful person, especially in business: Informally, an "operator" describes a clever, sometimes unscrupulous, person skilled at managing situations to their advantage.
    • A symbol or function in mathematics: In mathematics, an "operator" is a symbol (like +, −, ×) or a function that denotes a specific mathematical operation.
Examples of Usage
  • Person controlling a machine:
    • The crane operator lifted the steel beam with precision.
    • She worked as a telephone operator for many years.
  • Person running a business:
    • The tour operator arranged all our flights and hotels.
    • He is the operator of a successful chain of restaurants.
  • Shrewd or resourceful person:
    • Be careful when negotiating with him; he's a real smooth operator.
    • In the world of finance, she's known as a clever operator.
  • Mathematical symbol:
    • The plus sign (+) is an arithmetic operator.
    • The differential operator is a fundamental concept in calculus.
Advanced Usage
  • "Smooth operator": A phrase used to describe someone who is charming, persuasive, and skilled at dealing with people, often in a manipulative way.
    • He can talk anyone into anything; he's a real smooth operator.
  • "Tour operator": A company or person that organizes and sells package holidays.
    • We booked our vacation through a reputable tour operator.
Variants and Related Words
  • Operate (verb): To control the functioning of a machine or to manage a business.
    • Do you know how to operate this software?
  • Operation (noun): The action of functioning or the process of working; also, a business organization or a surgical procedure.
    • The operation of the factory is very efficient.
  • Operative (adjective/noun): Functioning or having effect; also, a worker or a secret agent.
    • The new law is now operative.
    • He was a covert operative for the government.
Synonyms
  • Controller: A person or device that directs or regulates.
  • Manager: A person responsible for controlling or administering an organization or group of staff.
  • Machinist: A person who operates a machine, especially a machine tool.
  • Entrepreneur: A person who organizes and operates a business, taking on financial risk.
Related Phrases (Phrasal Verbs)
  • To operate on (someone): To perform a surgical procedure.
    • The surgeon will operate on the patient tomorrow.
  • To operate under (a principle/assumption): To function based on a specific idea or condition.
    • The team is operating under the assumption that funding will be approved.
Related Idioms
  • A wheel operator: (Slang) Similar to "smooth operator," implying someone who is adept at manipulating situations.
    • Don't trust his deals; he's a known wheel operator.
  • In operation: Functioning or being used.
    • The new system has been in operation for a month now.
operator

A telephone operator connects a call using a switchboard.

Noun
  1. a speculator who trades aggressively on stock or commodity markets
  2. a shrewd or unscrupulous person who knows how to circumvent difficulties
  3. someone who owns or operates a business
    • who is the operator of this franchise?
  4. an agent that operates some apparatus or machine
    • the operator of the switchboard
  5. (mathematics) a symbol or function representing a mathematical operation