Meaning of unburn | Babel Free

Definitions

To undergo the process of burning in reverse.

intransitive

Examples

“Similarly, you cannot 'unstir' the sugar from a cup of coffee once it has been dissolved, and you never see a pile of ash in the fireplace 'unburn' to become a log of wood again.”

“In your class last year we learned that increase in entropy is why matches burn but never unburn, why cans rust but never unrust, and why engines are never perfectly efficient.”

CEFR level