operation

Definition from Wiktionary, a free dictionary

Contents 1 English 1.1 Etymology 1.2 Pronunciation 1.3 Noun 1.3.1 Synonyms 1.3.2 Related terms 1.3.3 Translations 1.3.4 External links

[edit] English

Wikipedia

[edit] Etymology

From Latin operari (“‘to work’”), from opus, operis (“‘work’”)

[edit] Pronunciation

• (RP) IPA: /ˌɒpəˈɹeɪʃən/, /ˌɒpə(ɹ)ˈeɪʃən/, SAMPA: /%Qp@"reIS@n/, /%Qp@(r)"eIS@n/

  Rhymes: -eɪʃǝn

• (GenAm) IPA: /ˌɑːpəˈɹeɪʃən/, SAMPA: /%A:p@"reIS@n/

   Audio (US)^{help, file}

  Rhymes: -eɪʃǝn

[edit] Noun

operation (plural operations)

1. the method by which a device performs its function.

   It is dangerous to look at the beam of a laser while it is in operation.

2. the method or practice by which actions are done.

   We run our operation from a storefront.

3. (medicine) a surgical procedure.

   She had an operation to remove her appendix.

4. (mathematics) a procedure for generating a value from one or more other values (the operands; the value for any particular operands is unique)
5. (military) a military campaign (w:Operation Desert Storm)

[edit] Synonyms

• (mathematics): function
• (mathematics): transformation

[edit] Related terms

• opera
• operable
• operand
• operant
• operate
• operational
• operative
• operator
• opus

[edit] Translations

[edit] External links

• operation in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913
• operation in The Century Dictionary, The Century Co., New York, 1911