transconductance

transconductance [trans-kuh n-duhk-tuh ns] Word Origin noun Electronics.

1. the ratio of a small change in anode current of an electron tube at a certain level of output to the corresponding small change of control-electrode voltage, usually expressed in mhos or micromhos.
2. (loosely) the amplification factor of a tube divided by its anode resistance.

Origin of transconductance trans- + conductance