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List of 12-letter words containing

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There are 15 twelve-letter words containing A, D, H, I, N, R 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.
CYANOHYDRINScyanohydrins n. Plural of cyanohydrin.
CYANOHYDRIN n. any of various compounds containing both cyano and hydroxyl groups.
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.
DISHONORABLYdishonorably adv. In a dishonorable manner.
DISHONORABLE adv. lacking honor, also DISHONOURABLE.
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.
HYDRODYNAMIChydrodynamic adj. (Physics) Of, or relating to the science of hydrodynamics.
hydrodynamic adj. Operated by the force of water in motion.
HYDRODYNAMIC adj. of, relating to, or involving principles of hydrodynamics, also HYDRODYNAMICAL.
HYDROMANCIEShydromancies n. Plural of hydromancy.
HYDROMANCY n. divination by the appearance or motion of liquids (as water).
HYDRONICALLYhydronically adv. In terms of, or by means of, hydronics.
HYDRONIC adv. pertaining to heating and cooling by water.
HYDROPLANINGhydroplaning v. Present participle of hydroplane.
hydroplaning n. (Automotive, US, Canada) The loss of contact with the road because of surface water. The act of aquaplaning.
HYDROPLANE v. to travel by hydroplane, a light, flat-bottomed motorboat.
HYPOCHONDRIAhypochondria n. (Medicine) A psychological disorder characterized by excessive preoccupation or worry about having a serious illness.
hypochondria n. (Obsolete, medicine) Melancholy; depression.
hypochondria n. Plural of hypochondrium.
HYRACOIDEANSHYRACOIDEAN n. any member of a genus of mammals including the daman and the dassie or hyrax, also HYRACOID.
REHYDRATIONSrehydrations n. Plural of rehydration.
REHYDRATION n. the act of rehydrating.

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 WikWik.org and 1Word.ws.

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See this list for:

  • English Wiktionary: 165 words
  • Scrabble in French: 13 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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