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New American Oxford Dictionary

Balmer series

Bal mer se ries |ˈbämər ˈbɑmər ˌsɪriz |Physics a series of lines in the visible and ultraviolet spectrum of atomic hydrogen, between 656 and 365 nanometers.

 

Oxford Dictionary

Balmer series

Balmer series |ˈbɑːmə |Physics a series of lines in the visible and ultraviolet spectrum of atomic hydrogen, between 656 and 365 nanometres. ORIGIN from the name of the Swiss physicist J. J. Balmer (1825 –98 ).

 

Duden Dictionary

Balme

Bal me Substantiv, feminin , die |B a lme |die Balme; Genitiv: der Balme, Plural: die Balmen keltisch? -mittellateinisch Gesteinsnische oder Höhle unter einer überhängenden Wand, besonders in Juraschichten