Yahoo Dictionary Web Search

  1. op·er·a·tion
    IPA[ˌäpəˈrāSH(ə)n]
  2. noun

    • 1. the fact or condition of functioning or being active:

      the construction and operation of power stations
      Synonym : functioning, working, running, performance, action, behavior
    • 2. an active process; a discharge of a function:

      the operations of the mind
    • 3. an act of surgery performed on a patient:

      I've never felt better since my bypass operation
      Synonym : surgery, surgical operation, surgical intervention, major surgery, minor surgery
    • 4. a piece of organized and concerted activity involving a number of people, especially members of the armed forces or the police:

      a rescue operation military operations
    • 5. a business organization; a company:

      he reopened his operation under a different name
    • 6. an activity in which a business is involved:

      the company is selling most of its commercial banking operations
    • 7. preceding a code name for an organized military or police activity:

      Operation Desert Storm
    • 8. a process in which a number, quantity, expression, etc., is altered or manipulated according to formal rules, such as those of addition, multiplication, and differentiation.

  3. Variation

    • n.: noun: operation, plural noun: operations

    • noun

      the action of functioning or the fact of being active or in effect:

      an active process; a discharge of a function:

    • noun

      an operation of the kind used in logic, e.g. conjunction or negation.

      an operation that acts on binary numbers to produce a result according to the laws of Boolean logic (e.g. the AND, OR, and NOT functions).

    • noun

      an enterprise or facility engaged in growing and selling marijuana:
    • noun

      a mathematical operation, such as addition or multiplication, performed on two elements of a set to derive a third element.
    • noun

      an operation of the kind used in logic, e.g. conjunction or negation.

      an operation that acts on binary numbers to produce a result according to the laws of Boolean logic (e.g. the AND, OR, and NOT functions).

    • noun

      the surgical removal of loose folds of skin from a sheep's hindquarters, designed to reduce the incidence of attack by blowflies:
    • noun

      the part of a machine code instruction that defines the operation to be performed.
    • noun

      a course of action designed to maintain the status quo under difficult circumstances:
    • noun

      an enterprise or facility engaged in growing and selling cannabis:
  1. 12324 results