Deduction | Mean of deduction in English Dictionary

/dɪˈdʌkʃən/

• Noun
• the act of taking away something (such as an amount of money) from a total
1. He pays for his insurance by automatic payroll deduction. [=the money for his insurance is automatically taken out of his paycheck]
• something (such as an amount of money) that is or can be subtracted from a total
1. The government is offering new tax deductions for small businesses.
2. What is your pay after the deductions have been taken out?
• the act or process of using logic or reason to form a conclusion or opinion about something
1. His guess was based on intuition rather than deduction.

• a conclusion or opinion that is based on logic or reason
1. Our deduction was based on the information given to us at the time.
2. It was a logical deduction.