📚 Burn out, phrasal verb. ❓ Definition: Cease to function as a result of excessive heat or friction. ❗️ Examples: 1. The clutch had burned out. 2. The first successful light bulbs marketed by Edison in the 1880s produced so much heat that they burnt out very rapidly. 3. Measures like this ensure the chip will not burn out as it heats up from use. 4. Three days later he got a second SMS saying that she had got as far as Parys but her clutch had burnt out and could he let her have R800 more for the repairs. 5. That was early in the race and normally when a clutch slips it will burn out, but that wasn't the case because he was able to finish and restart OK. ━━━━━━━━━━━━━ 🌀 @cambridge_dic