Learn how to say Cinder correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word cinder:
a piece of incombustible material left after the combustion of coal, coke, etc; clinker
a piece of charred material that burns without flames; ember
Also called: sinter. any solid waste from smelting or refining
(plural) fragments of volcanic lava; scoriae
(transitive) (rare) to burn to cinders
Old English sinder; related to Old Norse sindr, Old High German sintar, Old Slavonic sedra stalactite