deduction B2 Topic:Numbers & Quantity US /dɪˈdʌkʃən/ UK /dɪˈdʌkʃən/ See IPA manual Freq #18316 Meanings 1 noun An amount that is taken away from a total. After tax deductions, his monthly pay was much smaller. 2 noun A conclusion you reach by reasoning from the facts. He arrived at the deduction that the butler didn't do it. 3 noun The process of reasoning from general principles to a specific conclusion. Detectives rely on careful deduction to solve their cases. Thesaurus Synonyms 1 noun · an amount that is taken... reductiondiscount 2 noun · a conclusion you reach by... inferenceconclusion 3 noun · the process of reasoning... deductive reasoning Word family Forms deductions Derived forms nondeduction Related forms tax-deductible Common collocations tax deduction Noun + noun Etymology AI details From Middle French déduction, from Latin deductio. Equivalent to deduct + -ion or deduce + -tion. Topics Numbers & Quantity External links Cambridge Dictionary Wiktionary Google Images # deduction **Type:** Word **Level:** B2 **Part of speech:** noun **IPA (US):** /dɪˈdʌkʃən/ **IPA (UK):** /dɪˈdʌkʃən/ **Frequency rank:** 18316 ## Meanings 1. An amount that is taken away from a total. 2. A conclusion you reach by reasoning from the facts. 3. The process of reasoning from general principles to a specific conclusion. ## Examples - After tax deductions, his monthly pay was much smaller. - He arrived at the deduction that the butler didn't do it. - Detectives rely on careful deduction to solve their cases. ## Derived Forms - nondeduction ## Related Forms - tax-deductible ## Etymology From Middle French déduction, from Latin deductio. Equivalent to deduct + -ion or deduce + -tion. ## AI Etymology deduction comes from Middle French déduction, from Latin deductio. Equivalent to deduct + -ion or deduce + -tion. Current senses include An amount that is taken away from a total and A conclusion you reach by reasoning from the facts. English relatives and later formations include nondeduction, tax-deductible. ## Topics - Numbers & Quantity markdown