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List of 12-letter words containing

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There are 15 twelve-letter words containing 2A, E, H, M and 2N

ARSPHENAMINEarsphenamine n. (Pharmacology, organic chemistry) A phenolic amine derivative of arsenic that was used to treat syphilis…
ARSPHENAMINE n. another name for salvarsan, a compound of arsenic once used as a remedy for syphilis.
ENHARMONICALenharmonical adj. Alternative form of enharmonic.
ENHARMONICAL adj. relating to music constructed on a scale containing intervals of less than a semitone, also ENHARMONIC.
ETHANOLAMINEethanolamine n. (Chemistry) a hydroxy-amine, HO.CH2.CH2.NH2, manufactured by the reaction of ethylene oxide with ammonia;…
ETHANOLAMINE n. a colorless liquid amino alcohol used esp. as a solvent in the synthesis of detergents and in gas purification.
HAEMOCYANINShaemocyanins n. Plural of haemocyanin.
HAEMOCYANIN n. an oxygen-carrying pigment in arachnids, equivalent to haemoglobin in mammals.
HAMANTASCHENhamantaschen n. Traditional Ashkenazi three-cornered cookies eaten during the Jewish holiday of Purim. The filling may…
HAMANTASCH n. (Yiddish) a three-cornered pastry traditionally eaten during the Jewish festival Purim.
HAUSSMANNISEHAUSSMANNISE v. to open out, generally to rebuild, as Baron Haussmann did in Paris as prefect of the Seine (1853-70), also HAUSSMANNIZE.
HAUSSMANNIZEHaussmannize v. (Transitive) To destroy the old in order to build the new (in the manner of Baron Haussmann’s rebuilding of Paris).
HAUSSMANNIZE v. to open out, generally to rebuild, as Baron Haussmann did in Paris as prefect of the Seine (1853-70), also HAUSSMANNISE.
MECHANICIANSmechanicians n. Plural of mechanician.
MECHANICIAN n. a mechanic.
METHANATIONSmethanations n. Plural of methanation.
METHANATION n. the production of methane esp. from carbon monoxide and hydrogen.
NANOMACHINESnanomachines n. Plural of nanomachine.
PHAEOMELANINphaeomelanin n. Alternative spelling of pheomelanin.
PHAEOMELANIN n. a reddish-brown pigment in animals, including birds.
TECHNOMANIACtechnomaniac n. (Colloquial) A person with a keen interest in modern technology.
TECHNOMANIAC n. one with an excessive enthusiasm for technology.
TECHNOMANIASTECHNOMANIA n. an obsession with technology.
TRANSHUMANCEtranshumance n. The seasonal movement of people, with their cattle or other grazing animals, to new pastures which may…
TRANSHUMANCE n. the movement of livestock and herders to different pasturage with the changing of the seasons.
UNMECHANICALunmechanical adj. Not mechanical.
UNMECHANICAL adj. not mechanical.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the 1Word.ws and WikWik.org.

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