Thermal: Definition, Usage & Examples

Meaning 1：relating to heat (thermal)

thermal 🔊

/ˈθɜːrml/

adj.

Related to heat, such as something that keeps warmth or involves temperature.

Thermal clothing illustrated: person in a puffy jacket in a snowy park scene.

relating to heat 🔊

➕

/rɪˈleɪtɪŋ tuː hiːt/

adj.

Describes something that is connected to, caused by, or designed to utilize heat or temperature.

📁 Category：Objects & Materials 🔖 Level：Elementary

📘 Details & Usage

📖 Root Explanation

From Greek 'therme' (heat) via Latin 'therma' (hot baths).

💡 Mnemonic

THERMAL = THErMometer ALways measures heat. Think of a thermometer, a tool for heat.

📖 Example

During the hike in the mountains, she wore thermal leggings to stay comfortable in the chilly air. 🔊 On the mountain trail, she put on leggings designed for warmth to remain cozy in the cool atmosphere.

🔗 Collocations

thermal insulation – Material or methods used to reduce heat transfer.

thermal energy – The internal energy of a system due to the kinetic energy of its atoms and molecules.

thermal spring – A natural spring producing warm or hot water.

🔄 Synonyms

heat-related (adj.) – Connected to or involving heat.

warm (adj.) – Having or giving out a moderate degree of heat.

thermic (adj.) – A technical synonym meaning of or relating to heat.

🚫 Antonyms

non-thermal (adj.) – Not involving or related to heat.

cool (adj.) – Of or at a fairly low temperature.

frigid (adj.) – Very cold in temperature.

🌱 Derivatives

thermally (adv.) – In a way that relates to heat.

thermodynamics (n.) – The branch of physics concerned with heat and temperature.

thermometer (n.) – An instrument for measuring temperature.

📖 Cultural Story

Derived from Greek 'therme' meaning heat. Originally linked to hot springs or baths ('thermae' in Latin). Today, its most prominent scientific application is in 'thermal imaging', a technology that visualizes infrared radiation (heat) and is crucial in fields like building inspection, firefighting, and wildlife research.