- the ash and partially fused residues from a coal-fired furnace or fire
- a partially vitrified brick or mass of brick
- slang chiefly US something of poor quality, such as a film
- (intransitive) to form clinker during burning
WordReference Random House Learner's Dictionary of American English © 2015
clink•er1 /ˈklɪŋkɚ/USA pronunciation n. [uncountable]
Mininga mass of matter that cannot be burnt and is fused together, as by the burning of coal.
clink•er3 /ˈklɪŋkɚ/USA pronunciation n. [countable] Slang.
Collins Concise English Dictionary © HarperCollins Publishers::
clinker /ˈklɪŋkə/ n
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