Burn slowly is a term used to describe a process of heating something over a long period of time. The crossword solutions for this term are SMOULDER (8 letters), SMOLDER (7 letters), SEAR (4 letters), SINGE (5 letters), Aloe (4 letters) and Smoer (5 letters). SMOULDER and SMOLDER are both verbs which mean to burn slowly with smoke and no flame, while SEAR means to burn the surface of something quickly. SINGE is another verb which means to burn the surface of something lightly, and Aloe is a plant which has been used for centuries to soothe burns. Smoer is an archaic verb which means to burn slowly.