ENGLISH
REFERENCE

harmonium

n.
US //hɑɹˈmoʊniəm// UK //hɑːmˈəʊniəm// har·mo·ni·um
Synonyms
Origin

Borrowed from French harmonium, coined by French harmonium inventor Alexandre Debain in 1840. By surface analysis, harmony + -ium. First attested in 1847.

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