Related Words

Thermal Protector (Inherent): An inherent overheating protective device which is responsive to motor temperature and which, when properly applied to a motor, protects the motor against dangerous overheating due to overlo . . . View Full Definition

Thermal Low: Also known as heat low, it is an area of low pressure due to the high temperatures caused by intensive heating at the surface. It tends to remain stationary over its source area, with weak c . . . View Full Definition

Thermal Expansion: The expansion of materials caused by heat input.

Thermal Energy: Energy an object possesses by virtue of its temperature. For example, 1 g of water at 15°C has 4.184 J more energy than 1 g of water at 14°C.

Thermal Conductivity: A measure of a rock's capacity for heat conduction.

Thermal Mass: Thermal mass is a property that enables building materials to absorb, store, and later release significant amounts of heat. Buildings constructed of concrete and masonry have a unique energy . . . View Full Definition

Thermal Pollution: Water quality is not defined by chemistry alone. If natural waters are withdrawn for use they should be returned to the environment at approximately the same temperature. An increase or decr . . . View Full Definition

Thermocouple-Thermal Detection Device: A temperature detecting device made of two dissimilar metals which generate a voltage as a function of temperature. Thermocouples can be attached to a meter or alarm to detect overheating of . . . View Full Definition

Thermistor-Thermally Sensitive Resistor: A semiconductor used to measure temperature: can be attached to an alarm or meter to detect motor overheating.

Thermal Stress Relieving: A process of relieving stresses by uniform heating of a structure or a portion of a structure, followed by uniform cooling.