thermal

• Relatif à la chaleur ou à la température ; utilisé pour décrire ce qui conserve, conduit ou produit de la chaleur.

Relating to heat or temperature; used to describe something that retains, conducts, or is produced by heat.

1. Relating to heatB2formalscientific

   Connected with or caused by heat.

   Relatif à la chaleur

   • Thermal energy is essential for power generation.
   • The thermal conductivity of copper is very high.
   • Engineers study thermal dynamics to improve engine efficiency.

   Synonymescaloriccalorificthermic

   Antonymescoldcoolfrigid

2. Relating to hot springsC1formalscientific

   Of or relating to naturally occurring hot water sources.

   thermal (relatif aux sources chaudes)

   • The thermal waters of the spa are believed to have healing properties.
   • Iceland is famous for its thermal pools.
   • Thermal springs are often found in volcanic regions.

3. Designed to retain heatB2formaltechnical

   Made or intended to keep heat from escaping.

   Isolant thermique

   • Thermal underwear keeps you warm in cold weather.
   • The house has excellent thermal insulation.
   • Thermal curtains help reduce energy loss through windows.

• Substantif désignant un courant d'air chaud ascendant, souvent utilisé en météorologie ou en aviation.

A noun referring to a rising current of warm air, often used in the context of meteorology or aviation.

1. Rising current of warm airB2formalscientific

   A column of rising warm air, used by birds and gliders to gain altitude.

   Courant ascendant d'air chaud

   • The eagle circled in a thermal to gain height.
   • Glider pilots look for thermals to stay airborne.
   • The hot desert ground creates strong thermals.

   Synonymesupdraft