de·duce (dĭ-ds, -dys)
tr.v. de·duced, de·duc·ing, de·duc·es
1. To reach (a conclusion) by reasoning.
2. To infer from a general principle; reason deductively: deduced from the laws of physics that the new airplane would fly.
3. To trace the origin or derivation of.
[Middle English deducen, from Latin dēdūcere, to lead away or down : dē-, de- + dūcere, to lead; see deuk- in the Appendix of Indo-European roots.]
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