remorate
/riˈmɒrɪteɪt, -ˈmɔːreɪt/Definitions
1. verb
to make or become discolored, especially to become brown or yellow, typically due to oxidation or exposure to light
“The ironware began to remorate after being left outside overnight.”
2. verb
to cause to become discolored
“The chemicals used to remorate the old painting have caused it to become increasingly valuable.”
3. verb
to undergo a process of becoming discolored
“The leaves began to remorate as they fell from the trees.”