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  1. THERMAL Definition & Meaning - Merriam-Webster

    Jan 8, 2015 · The meaning of THERMAL is of, relating to, or caused by heat. How to use thermal in a sentence. Did you know?

  2. Thermal conductivity and resistivity - Wikipedia

    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 …

  3. THERMAL | definition in the Cambridge English Dictionary

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

  4. Thermal energy | Heat Transfer, Temperature & Kinetic Energy

    Thermal energy, internal energy present in a system in a state of thermodynamic equilibrium by virtue of its temperature. Thermal energy cannot be converted to useful work as easily as the …

  5. Thermal - definition of thermal by The Free Dictionary

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

  6. THERMAL definition and meaning | Collins English Dictionary

    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

  7. NOAA's National Weather Service - Glossary

    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 …

  8. thermal - WordReference.com Dictionary of English

    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. …

  9. thermal adjective - Definition, pictures, pronunciation and usage …

    Definition of thermal adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

  10. thermal - Wiktionary, the free dictionary

    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 …