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English Words Starting With T

7,190 entries — pick a word to see its definition, pronunciation, and usage.

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Noun Verb Adjective Adverb Plural noun Combining form Verb (transitive)Verb (intransitive)Verb (ambitransitive)

thermochromism
nounC2
/ˌθɜːməʊˈkrəʊmɪz(ə)m/The property of a substance changing colour with a change in temperature.
thermocline
nounC2
/ˈθɜː.mə.klaɪn/A layer in a body of water (ocean, lake) where the temperature changes rapidly with depth.
thermocoagulation
nounC2/Highly Specialized
/ˌθɜː.məʊ.kəʊˌæɡ.jəˈleɪ.ʃən/The coagulation (clotting or hardening) of tissue through the application of heat.
thermocouple
nounC2
/ˈθɜː.məʊˌkʌp.əl/A device consisting of two different metals joined together, used for measuring temperature by generating a voltage proportional to the temperature difference between its two ends.
thermocurrent
nounRare
/ˈθɜː.məʊˌkʌr.ənt/An electric current produced by or resulting from a temperature difference.
thermodiffusion
nounVery Low
/ˌθɜː.məʊ.dɪˈfjuː.ʒən/The movement or separation of particles in a mixture due to a temperature gradient.
thermodynamic equilibrium
nounC1/C2
/ˌθɜː.məʊ.daɪˌnæ.mɪk ˌiː.kwɪˈlɪb.ri.əm/A state in which a thermodynamic system has no net change in its macroscopic properties (e.g., temperature, pressure) over time, because all internal processes have balanced out.
thermodynamic system
nounLow (Technical/Specialized)
/ˌθɜː.məʊ.daɪˈnæm.ɪk ˈsɪs.təm/A specific portion of the universe chosen for thermodynamic analysis, separated from its surroundings by a real or imaginary boundary, within which energy and matter exchanges can be studied.
thermodynamic temperature
nounlow
/ˌθɜː.məʊ.daɪˈnæm.ɪk ˈtem.prə.tʃər/A fundamental physical quantity in thermodynamics defined through the laws of thermodynamics, specifically as proportional to the partial derivative of internal energy with respect to entropy. It is measured on an absolute scale (e.g., Kelvin).
thermodynamics
nounlow
/ˌθɜː.məʊ.daɪˈnæm.ɪks/The branch of physics dealing with heat, temperature, and their relation to energy and work.
thermoelectric couple
nounLow
/ˌθɜː.məʊ.ɪˈlek.trɪk ˈkʌp.əl/A device consisting of two different electrical conductors joined at their ends, used to generate electricity directly from a temperature difference.
thermoelectric effect
nounC2
/ˌθɜː.məʊ.ɪˈlek.trɪk ɪˈfekt/The direct conversion of temperature differences into electric voltage, and vice versa.
thermoelectricity
nounLow
/ˌθɜː.məʊ.ɪˌlekˈtrɪs.ə.ti/Electricity produced directly from a temperature difference.
thermoelectrometer
nounExtremely Low (Restricted Technical)
/ˌθɜː.məʊ.ɪˌlɛkˈtrɒm.ɪ.tə/A scientific instrument that measures the force or current produced by a thermoelectric effect, typically involving the conversion of heat into electricity.
thermoelectromotive force
nounExtremely Rare
/ˌθɜːməʊɪˌlɛktrə(ʊ)ˈməʊtɪv ˈfɔːs/The electric potential difference (voltage) generated directly by a temperature difference across a junction of dissimilar materials.
thermoelectron
nounC1/C2
/ˌθɜː.məʊ.ɪˈlɛk.trɒn/An electron emitted from a heated substance.
thermoform
verb-transitiveC2
/ˈθɜː.məʊ.fɔːm/To shape or mould a material (typically plastic) by heating it until pliable and then applying pressure or vacuum to form it over a mould.
thermogalvanometer
nounExtremely rare (Obsolete/Historical)
/ˌθɜː.məʊ.ˌɡæl.və.ˈnɒm.ɪ.tə/A sensitive instrument that measures minute electric currents by the heat they generate, causing the expansion of a wire which moves a needle.
thermogenesis
nounLow
/ˌθɜːməʊˈdʒɛnɪsɪs/The production of heat, especially in living organisms through metabolic processes.
thermogeography
nounVery Low
/ˌθɜːməʊdʒiˈɒɡrəfi/The study of the geographical distribution of heat, particularly temperatures on or near the Earth's surface.

Showing 2421–2440 of 7190 words.