conductivity (def 2).
[kon-duhk-tiv-i-tee] /ˌkɒn dʌkˈtɪv ɪ ti/
noun, plural conductivities.
Physics. the property or power of conducting heat, electricity, or sound.
Also called specific conductance. Electricity. a measure of the ability of a given substance to conduct electric current, equal to the reciprocal of the resistance of the substance. Symbol: σ.
noun (pl) -ties
Also called conduction. the property of transmitting heat, electricity, or sound
a measure of the ability of a substance to conduct electricity; the reciprocal of resistivity
in the case of a solution, the electrolytic conductivity is the current density divided by the electric field strength, measured in siemens per metre Formerly called specific conductance
See thermal conductivity
conductivity con·duc·tiv·i·ty (kŏn’dŭk-tĭv’ĭ-tē)
The ability or power to conduct or transmit heat, electricity, or sound.
The ability of a body structure to transmit an electric impulse, especially the ability of a nerve to transmit a wave of excitation.
The ability to transfer heat, electricity, or sound by conduction.
- Specific dynamic action
specific dynamic action n. Abbr. SDA An increase in the production of heat caused by the ingestion of food, especially proteins.
noun, Physics. 1. the ratio of the density of any substance to the density of some other substance taken as standard, water being the standard for liquids and solids, and hydrogen or air being the standard for gases. specific gravity noun 1. the ratio of the density of a substance to that of water See […]
noun, Physics. 1. the number of calories required to raise the temperature of 1 gram of a substance 1°C, or the number of BTU’s per pound per degree F. 2. (originally) the ratio of the thermal capacity of a substance to that of standard material. specific heat See under heat capacity. specific heat definition The […]
- Specific heat capacity
noun 1. the heat required to raise unit mass of a substance by unit temperature interval under specified conditions, such as constant pressure: usually measured in joules per kelvin per kilogram ((for constant pressure)) cp Also called specific heat