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There are 13 twelve-letter words containing D, H, I, M, N and Y

CHIMNEYBOARDCHIMNEYBOARD n. a board blocking up a fireplace.
DEMYTHIFYINGDEMYTHIFY v. to remove the mythical characteristics from (a person).
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.
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.
HYDROFORMINGhydroforming n. (Engineering) A cost-effective way of shaping malleable metals into lightweight, stiff pieces by means…
hydroforming n. (Organic chemistry) The reaction of petroleum with hydrogen.
HYDROFORMING n. the catalytic reforming of petroleum to increase the proportion of aromatic and branched-chain hydrocarbons.
HYDROMANCIEShydromancies n. Plural of hydromancy.
HYDROMANCY n. divination by the appearance or motion of liquids (as water).
HYDROXONIUMShydroxoniums n. Plural of hydroxonium.
HYDROXONIUM n. the obsolete name for the cation H3O+ derived from protonation of water.
HYPERENDEMIChyperendemic adj. (Medicine) That has a high and continued incidence in an area.
HYPERENDEMIC adj. extremely endemic.
PHOTODYNAMICphotodynamic adj. Of, relating to, or caused by the energy or momentum of light or other electromagnetic radiations.
photodynamic adj. Of, or relating to photodynamics.
PHOTODYNAMIC adj. of, relating to, or having the property of intensifying or inducing a toxic reaction to light (as in the destruction of cancer cells stained with a light-sensitive dye) in a living system.
SYNECDOCHISMSYNECDOCHISM n. the use of synecdoche; the use of a part for the whole in sympathetic magic.

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: 106 words
  • Scrabble in French: 6 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: 1 word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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