This is the 3679th most frequent Portuguese word.
térmica
"Térmica" in English means "thermal," relating to heat or temperature.
Here, 'térmico' refers to the property of maintaining temperature, specifically of the cup.
Este copo térmico mantém sua bebida quente por horas.
This thermal cup keeps your drink hot for hours.
In this context, 'térmica' is related to heat energy in the context of physics and engineering.
A energia térmica é fundamental para o funcionamento das usinas.
Thermal energy is essential for the operation of power plants.
Here, 'térmica' describes an attribute of the jacket that insulates against heat loss to keep the wearer warm.