1. (n.) The act or process of conveying or transmitting.

2. (n.) A process of transfer or transmission, as of heat or electricity, by means of currents in liquids or gases, resulting from changes of temperature and other causes.

communication conduction contagion delivery deportation diapedesis diffusion dissemination export exportation expulsion extradition import importation interchange metastasis metathesis metempsychosis migration mutual transfer osmosis passage passing over perfusion spread spreading transduction transfer transfer of property transference transfusion transit transition translation translocation transmigration transmigration of souls transmission transmittal transmittance transplacement transplantation transposal transposition travel