Definition
放热 is a separable verb-object compound (离合词) meaning 'to release/give off heat', common in physics and chemistry. As a verb you can split it: 放了热 ('released heat'), 放了很多热 ('released a lot of heat'). It also functions as a noun in compounds like 放热反应 ('exothermic reaction'). The splitting follows the pattern: 放 + (了/measure word/other elements) + 热.
v.o./n.
(verb-object) to release heatto give off heat
noun
exothermic (used in compounds such as 放热反应)
Examples
- 。Zhè zhǒng diànchí fàng le hěn duō rè.This type of battery gave off a lot of heat.
- 放热。Jīqì zài yùnxíng shí huì búduàn fàng rè.The machine will continuously release heat while running.
- 放热，。Zài jìnxíng fàng rè fǎnyìng shí, yào dài hǎo shǒutào.When conducting an exothermic reaction, wear gloves properly.
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