Definitions

1. verb

to become brown or discolored, especially to become brown due to oxidation or exposure to the elements.

“The metal started to imbrown after being left outside for months.”

2. verb

to become discolored or stained, especially to become brown due to dirt, grime, or other substances.

“The carpet imbrowned after being walked on by dirty shoes.”

3. noun

a discoloration or stain that gives a brown color.

“The imbrown on the carpet made it look old and worn.”