What does "conduction" mean?

Conduction: The act of training up. [Obs.] B. Jonson.

Additional senses

  1. 2.(Physics) Transmission through, or by means of, a conductor; also, conductivity. [The] communication [of heat] from one body to another when they are in contact, or through a homogenous body from particle to particle, constitutes conduction. Amer. Cyc.

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