- a partially or mostly burned piece of coal, wood, etc.
- cinders,
- any residue of combustion; ashes.
- coarse scoriae erupted by volcanoes.
- a live, flameless coal; ember.
- Metallurgy.
- slag1 (def. 1).
- a mixture of ashes and slag.
- to spread cinders on: The highway department salted and cindered the icy roads.
- to reduce to cinders.
- to spread cinders on a surface, as a road or sidewalk: My neighbor began cindering as soon as the first snowflake fell.
- a piece of incombustible material left after the combustion of coal, coke, etc; clinker
- a piece of charred material that burns without flames; ember
- any solid waste from smelting or refining
- fragments of volcanic lava; scoriae
- to burn to cinders