[化] 炭化

[医] 烧焦, 炭化[作用]

Char \Char\ (ch[aum]r), v. t. [imp. & p. p. {Charred}
(ch[aum]rd); p. pr. & vb. n. {Charring}.] [Prob. the same
word as char to perform (see {Char}, n.), the modern use
coming from charcoal, prop. coal-turned, turned to coal.]
1. To reduce to coal or carbon by exposure to heat; to reduce
to charcoal; to burn to a cinder.

2. To burn slightly or partially; as, to char wood.
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