Thermal
/ˈθɜːr.məl/noun
Relating to heat or a source of heat.
Did you know?The root behind thermal is the same Greek word that gave us *thermos* and *thermometer*, turning “heat” into a measurable force rather than just a feeling.
Etymological Timeline
Ancient Greek
Greek
θερμός (thermós)
“hot, warm”
Late Greek
Greek
θέρμη (thérmē)
“heat, warmth”
19th Century
French
thermique
“relating to heat”
19th Century
English
thermal
“relating to heat”
Modern English
English
thermal
“relating to heat”
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