Thermal conductivity can be defined in terms of the heat flow across a temperature difference. Consider a solid material placed between two environments of different temperatures. Let be …

THERMAL meaning: 1. connected with heat: 2. (of clothes or coverings) made of a material that is especially…. Learn more.

Define thermal. thermal synonyms, thermal pronunciation, thermal translation, English dictionary definition of thermal. adj. 1. Of, relating to, using, producing, or caused by heat.

THERMAL definition: Also of, relating to, or caused by heat or temperature. See examples of thermal used in a sentence.

ther•mal (thûr′ məl), adj. Physics Also, thermic. of, pertaining to, or caused by heat or temperature: thermal capacity. of, pertaining to, or of the nature of thermae: thermal waters. …

A thermal is a movement of rising warm air. Birds use thermals to lift them through the air. Collins COBUILD Advanced Learner’s Dictionary. Copyright © HarperCollins Publishers

Thermals are a common source of low level turbulence for aircraft. A zone of high nighttime temperatures (and relatively low humidities) that is often experienced within a narrow altitude …

Dec 14, 2025 · Caused or brought about by heat. (stone) Having a rough finish from treatment with a blowtorch. thermal (plural thermals) The hawk had mounted its thermal by the time he …

Thermal definition: Of, relating to, using, producing, or caused by heat.

THERMAL meaning: 1 : of, relating to, or caused by heat; 2 : designed to keep you warm by preventing heat from leaving your body