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List of 12-letter words containing

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There are 16 twelve-letter words containing A, D, E, H, I, N and Y

ANTIHYDROGENantihydrogen n. (Physics, uncountable) The antimatter equivalent of hydrogen, consisting of an antiproton and an positron…
antihydrogen n. (Physics, countable) An atom of the antimatter equivalent of hydrogen.
ANTIHYDROGEN n. an antimatter form of hydrogen.
CHIMNEYBOARDCHIMNEYBOARD n. a board blocking up a fireplace.
DEHYDRATIONSdehydrations n. Plural of dehydration.
DEHYDRATION n. loss or withdrawal of moisture.
DIATHERMANCYdiathermancy n. The condition of being diathermic.
DIATHERMANCY n. permeability by or conductibility of radiant heat, also DIATHERMACY.
DIETHYLAMINEdiethylamine n. (Organic chemistry) The secondary amine (CH3CH2)2NH.
DIETHYLAMINE n. a liquid resembling ethylamine, derived from ammonia, with ethyl groups replacing two hydrogen atoms.
HAEMODYNAMIChaemodynamic adj. (British spelling) Alternative spelling of hemodynamic.
HAEMODYNAMIC adj. of or relating to blood circulation, also HEMODYNAMIC.
HEMODYNAMICShemodynamics n. (Medicine) The circulation and movement of blood in the body, and the forces involved therein.
HEMODYNAMICS n. a branch of physiology that deals with the circulation of the blood, also HAEMODYNAMICS.
HYDRALAZINEShydralazines n. Plural of hydralazine.
HYDRALAZINE n. a vasodilator used in the form of its hydrochloride to treat hypertension.
HYDRASTININEhydrastinine n. (Organic chemistry) A semisynthetic alkaloid resulting from the hydrolysis of hydrastine.
HYDRASTININE n. a colourless crystalline water-soluble compound whose pharmacological action resembles that of hydrastine.
HYDROMANCIEShydromancies n. Plural of hydromancy.
HYDROMANCY n. divination by the appearance or motion of liquids (as water).
HYPNOPAEDIASHYPNOPAEDIA n. training or instruction during sleep.
HYRACOIDEANSHYRACOIDEAN n. any member of a genus of mammals including the daman and the dassie or hyrax, also HYRACOID.
PHYTONADIONEphytonadione n. (Biochemistry, pharmacology) Alternative form of phytomenadione.
PHYTONADIONE n. phylloquinone, vitamin K1.
REHYDRATIONSrehydrations n. Plural of rehydration.
REHYDRATION n. the act of rehydrating.
SYNADELPHITEsynadelphite n. (Mineralogy) An orthorhombic-dipyramidal mineral containing arsenic, calcium, hydrogen, lead, magnesium…
SYNADELPHITE n. a manganese aluminium arsenate.
TENDINOPATHYtendinopathy n. (Pathology) A disorder of the tendons.

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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See this list for:

  • English Wiktionary: 158 words
  • Scrabble in French: 14 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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