tàn​huà

to carbonize

Senses

炭化 tàn​huà to carbonize

To turn into carbon or charcoal by burning or chemical processing

炭化 tàn​huà to coalify

The geological process of ancient buried plants turning into coal under pressure and temperature over long periods

References

same_as 炭化/炭化 煤化/煤化
same_as 煤化/煤化 炭化/炭化