Wasei-eigo from English 'black chocolate'. Refers to dark chocolate, often with high cocoa content and little or no milk.
wasei-eigo (Japanese-coined English), from black chocolate
Recently, the health benefits of dark chocolate have been attracting attention.
She doesn't like sweet things and only eats dark chocolate.
Variant with interpunct; less common in everyday writing.
Wasei-eigo from English 'black chocolate'. The term was coined in Japan and is not standard in English, where 'dark chocolate' is used.