1. The power of transmission or conveyance of certain forms of energy, as heat, sound, and electricity, without perceptible motion in the conducting body.
2. The property, inherent in living protoplasm, of transmitting a state of excitation; in muscle or nerve.
The information shown above for conductivity is provided by Stedman's.
* Stedman's, part of Lippincott Williams & Wilkins, provide a comprehensive line of health-science publications for healthcare professionals and medical students.