Englishfor English speakers
connected
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adjective
(= affiliated, attached)
being joined in close association
affiliated clubs
all art schools whether independent or attached to universities
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adjective
joined or linked together
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adjective
wired together to an alarm system
all the window alarms are connected
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adjective
plugged in
first check to see whether the appliance is connected
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adjective
(= machine-accessible)
stored in, controlled by, or in direct communication with a central computer
operation
Noun
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An operation is a medical process, often opening the human body.
The doctors performed the operation in three hours.
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An operation is an action of a group of people working for a goal (often military).
The Army operation was a success.
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An operation is part or all of a business. small(often plural)/small
The company's East Coast operation was bigger than its West Coast operation.
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An operation is a symbol that is used to perform a specific operation (addition, subtraction, multiplication or division) in maths.
The plus symbol is used to perform a specific operation in maths which is addition.