| rè | heat/to heat up/fervent/hot (of weather)/warm up |
| 热 | to warm up to heat up hot (of weather) |
| 热中 | to be fond of also written 熱衷|热衷 |
| 热中子 | thermal neutron |
| 热乎乎 | nice and warm |
| 热交换 | heat change; heat transport; heat interchange; interchange of heat; heat exchange; exchange of heat; heater exchange |
| 热交换器 | heat exchanger; heat interchanger; heatexchanger; thermal converter; heat-exchange equipment; heat-exchanging apparatus |
| 热传导 | heat transfer thermal conduction |
| 热传导率 | thermoconductivity; pyroconductivity |
| 热值 | calorific value |
| 热像仪 | thermal imager; thermal imaging system |
| 热函 | enthalpy heat content (thermodynamics) |
| 热分子流 | thermal molecular flow |
| 热切 | fervent |
| 热剌剌 | smartingly painful |
| 热力 | heat |
| 热力发动机 | thermal machine; heat engine |
| 热力学 | thermodynamics |
| 热力学函数 | thermodynamical function; thermodynamic function |
| 热力学温度 | thermodynamic temperature (temperature above absolute zero) |
| 热力学温标 | thermodynamic temperature scale (in degrees Kelvin, measured above absolute zero) |