CONCRETE a. 2 definitions
e concrete, those of classes abstract. J. S. Mill. Concrete terms, while they express the quality, do also express, or imply, or refer to, some subject to which it belongs. I. Watts. Concrete number, a number associated with, or applied to, a particular object, as three men, five days, etc., as distinguished from an ab…
CONDUCTIVITY n.
The quality or power of conducting, or of receiving and transmitting, as, the conductivity of a nerve. Thermal conductivity (Physics), the quantity of heat that passes in unit time through unit area of plate whose thickness is unity, when its opposite faces differ in temperature by one degree. J. D. Everett. -- Thermo…