monologue (n.)youdaoicibaDictYouDict[monologue 词源字典]
1660s, "long speech by one person," from French monologue, from Late Greek monologos "speaking alone," from Greek monos "single, alone" (see mono-) + logos "speech, word," from legein "to speak" (see lecture (n.)).[monologue etymology, monologue origin, 英语词源]
monomania (n.)youdaoicibaDictYouDict
"insanity in regard to a single subect or class of subjects," 1820, probably on model of earlier French monomanie, from Modern Latin monomania, from Greek monos "single, alone" (see mono-) + mania (see mania).
monomaniac (n.)youdaoicibaDictYouDict
1833; see monomania + maniac. Related: Monomaniacal.
monomer (n.)youdaoicibaDictYouDict
1914, from mono- + Greek meros "part" (see merit (n.)). Related: Monomerous.
monometallic (adj.)youdaoicibaDictYouDict
1877 in currency sense, from mono- + metallic.
mononuclear (adj.)youdaoicibaDictYouDict
1886; see mono- + nuclear.
mononucleosis (n.)youdaoicibaDictYouDict
1920, coined from mononuclear + Modern Latin -osis "abnormal condition."
monophonic (adj.)youdaoicibaDictYouDict
of recordings, broadcasts, etc., "not stereo, having only one output signal," 1958, coined to be an opposite of stereophonic; from mono- + -phonic, from Greek phone "sound, voice," from PIE root *bha- (2) "to speak, tell, say" (see fame (n.)).
MonophysiteyoudaoicibaDictYouDict
1690s, from Church Latin Monophysita, from Greek monophysites, from monos "single, alone" (see mono-) + physis "nature" (see physics). Christian (regarded in the West as a heretic) who believes there is only one nature in the person of Jesus Christ. Now comprising Coptic, Armenian, Abyssinian and Jacobite churches.
monoplane (n.)youdaoicibaDictYouDict
1907, a hybrid coined from mono- + second element of aeroplane. In old planes the wings formed a single surface running across the fuselage.
monopolistic (adj.)youdaoicibaDictYouDict
1858; see monopoly + -istic.
monopolize (v.)youdaoicibaDictYouDict
1610s; see monopoly + -ize. Figurative use from 1620s. Related: Monopolized; monopolizing; monopolization.
monopoly (n.)youdaoicibaDictYouDict
"exclusive control of a commodity or trade," 1530s, from Latin monopolium, from Greek monopolion "right of exclusive sale," from mono- + polein "to sell," from PIE root *pel- (5) "to sell" (cognates: Sanskrit panate "barters, purchases," Lithuanian pelnas "gain," Old Church Slavonic splenu, Russian polon "prey, booty," Old Norse falr, Dutch veil, German feil "for sale, venal").

Alternative form monopole (1540s, from the Old French form of the word) was common in 16c. The popular board game, invented by Charles Darrow, is from 1935. Monopoly money "unreal currency" is attested from 1972, in reference to the paper used in the game.
monopolylogue (n.)youdaoicibaDictYouDict
"entertainment in which one actor performs as many characters," 1824, from mono- + poly- + -logue.
monorail (n.)youdaoicibaDictYouDict
1897, a hybrid coined from mono- + rail (n.1).
monosyllabic (adj.)youdaoicibaDictYouDict
1824, of languages; 1828, of words; 1870, of persons, from monosyllable + -ic. Earlier form was monosyllabical (1680s, of words). Related: Monosyllabically.
monosyllable (n.)youdaoicibaDictYouDict
1530s, from Latin monosyllabus "of one syllable," from Greek monosyllabos, from monos "single, alone" (see mono-) + syllabe "syllable" (see syllable).
monotheism (n.)youdaoicibaDictYouDict
"belief that there is but one god," 1650s, from Greek mono-, comb. form of monos "single, alone" (see mono-) + theos "a god" (see theo-).
monotheist (n.)youdaoicibaDictYouDict
1670s, from monotheism + -ist.
monotheistic (adj.)youdaoicibaDictYouDict
1846, from monotheist + -ic.