early 15c., from Latin deducere "lead down, derive" (in Medieval Latin, "infer logically"), from de- "down" (see de-) + ducere "to lead" (see duke (n.)). Originally literal; sense of "draw a conclusion from something already known" is first recorded 1520s, from Medieval Latin. Related: Deduced; deducing.
例文
1. Canwe deduce from your silence that you do not approve?
あなたは黙っていて、私たちはそれによってあなたが賛成しないと推測することができますか?
2.The police were able to deduce where the fugitive was hiding.
警察は逃亡者が隠れている場所を推定することに成功した。
3.We can deduce a conclusion from the premise.
この前提から結論を出すことができます。
4.If you see a doctor leaving a house,you may deduce that someone in the house is ill.
医者がどこかの家から出てくるのを見たら、この家に病気があることがわかります。
5.We will now deduce the properties of a single element.