operation

operazione, intervento chirurgico

Trattamento in cui un medico incide il corpo per riparare o rimuovere qualcosa.

In inglese semplice: Medical treatment in which a doctor cuts into the body to repair or remove something.

• My father needs an operation.
• The operation on her knee went well.
• How long will you stay in hospital after the operation?

Come si usa: an operation on something (He had an operation on his knee.); an operation to do something (She needs an operation to remove the lump.)

Sinonimi: surgery, surgical procedure

Espressioni comuni: have an operation, heart operation, operation on something, emergency operation

operazione, missione

Attività organizzata di un gruppo per raggiungere un obiettivo, soprattutto di militari, polizia o soccorritori.

In inglese semplice: A planned activity by a group working towards a goal, especially soldiers, police, or rescue workers.

• The rescue operation saved six people.
• Soldiers carried out the operation at night.
• Police launched an operation to find the stolen cars.

Sinonimi: mission, campaign

Espressioni comuni: military operation, rescue operation, police operation, launch an operation

attività, impresa

Un’impresa o una sua parte, comprese le attività che svolge.

In inglese semplice: A business or part of a business, including the work it does.

• Their bakery is a small operation.
• The company expanded its overseas operations.
• She manages the firm's entire European operation.

Sinonimi: business, enterprise

Espressioni comuni: business operation, overseas operation, expand an operation, small operation

funzionamento

Il modo in cui una macchina funziona, oppure il fatto che sia in funzione.

In inglese semplice: The way a machine works, or the state of working.

• The lift is back in operation.
• This button controls the operation of the fan.
• Read the instructions for safe operation before using the machine.

Come si usa: in operation (Keep your hands away while the machine is in operation.); the operation of something (The guide explains the operation of the pump.)

Sinonimi: functioning, working

Espressioni comuni: in operation, safe operation, automatic operation, operation of something

operazione

Un calcolo con numeri, come sommare o dividere, indicato da un segno matematico.

In inglese semplice: An action with numbers, such as adding or dividing, shown by a mathematical sign.

• Addition is a basic mathematical operation.
• Which operation does this symbol represent?
• Perform the operations inside the brackets first.

Sinonimi: calculation

Espressioni comuni: mathematical operation, basic operation, operation symbol, arithmetic operation

funzionamento, procedimento

Il modo in cui si svolge un’attività o un processo, oppure si gestisce un sistema.

In inglese semplice: The way an activity, process, or system is carried out.

• Their method of operation was simple.
• The review examined the operation of the complaints system.
• Clear rules are essential for the smooth operation of the scheme.

Come si usa: the operation of something (We reviewed the operation of the new rules.)

Sinonimi: working, functioning, procedure

Espressioni comuni: method of operation, mode of operation, normal operation, operation of something