Englishfor English speakers
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.
argus
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noun
large brilliantly patterned East Indian pheasant
Argus
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noun
(Greek mythology) a giant with 100 eyes; was guardian of the heifer Io and was slain by Hermes