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operating theatre
A room in a hospital used for performing surgery (originally designed for operations in front of observers).
telephone operator
A person who operates a telephone switchboard. / A person who provides assistance in establishing a connection, or who provides information or takes messages via the telephone.
line of operations
(military) That portion of a theater of war] which an army passes over in attaining its object.
operant conditioning
(psychology) A technique of behavior modification through positive and negative reinforcement and positive and negative punishment.
Laplace operator
(mathematics, physics) A differential operator,denoted ∆ and defined on ℝⁿ as 𝛥=∑ᵢ₌₁ⁿ(∂²)/(∂x_i²), used in the modeling of wave propagation, heat flow and many other applications.
tour operator
A company that sells package holidays.
owner-operator
A subcontractor who may be a commercial carrier, but most often provides capacity (trucks and drivers, with or without trailers or chassis) to either commercial or private carriers under a contract for services.
operating expense
(business, accounting) Any expense incurred in running a business, such as sales and administration, as opposed to production.
operations research
(operations) The application of scientific methods and techniques to problems of decision making, especially in business management and government administration.
operating cycle
(business) The business cycle from startup of operations to the profit; from obtaining the raw material, through designing and production, to the distribution and profits.
