[f. Gr. ἔθνο-ς nation + MANIAC.] One who is crazy about the rights of nationalities.
1863. S. Edwards, Polish Captivity, II. 140. The political ethnomaniacs to be consistent ought to, propose the annexation of Alsace to some German state.
quasi-adj. 1886. Sat. Rev., 16 Jan., 69. The game, from the ethnomaniac point of view, may be regarded as won.