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List of 12-letter words containing

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There are 19 twelve-letter words containing D, H, M, N, O and Y

CHIMNEYBOARDCHIMNEYBOARD n. a board blocking up a fireplace.
DYNAMOGRAPHSdynamographs n. Plural of dynamograph.
DYNAMOGRAPH n. an instrument for recording mechanical forces.
DYSMENORRHEAdysmenorrhea n. (Medicine) Painful menstruation (menstrual#Adjective pain), viewed as a symptom#Noun in any of various disorders.
dysmenorrhea n. (Medicine) Painful menstruation (menstrual#Adjective pain), viewed as a disorder#Noun in its own right…
DYSMENORRHEA n. painful menstruation, also DYSMENORRHOEA.
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.
HONEYMONTHEDHONEYMONTH v. (obsolete) to spend one's honeymoon, also HONEYMOON.
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.
HYDROMANCERShydromancers n. Plural of hydromancer.
HYDROMANCER n. one who practises hydromancy.
HYDROMANCIEShydromancies n. Plural of hydromancy.
HYDROMANCY n. divination by the appearance or motion of liquids (as water).
HYDROMEDUSANhydromedusan adj. (Zoology) Relating to the hydromedusas.
HYDROMEDUSAN n. a hydromedusa, also HYDROMEDUSA, HYDROMEDUSOID.
HYDROXONIUMShydroxoniums n. Plural of hydroxonium.
HYDROXONIUM n. the obsolete name for the cation H3O+ derived from protonation of water.
MONOHYDRATEDmonohydrated adj. Hydrated with a single molecule of water.
MONOHYDRATED adj. like a monohydrate.
MONOHYDRATESmonohydrates n. Plural of monohydrate.
MONOHYDRATE n. a hydrate containing one molecule of water per molecule of the compound.
MONOHYDROGENmonohydrogen n. (Chemistry, in combination) A single hydrogen atom in a compound.
MONOHYDROGEN adj. designating compounds containing one hydrogen atom or ion for each combining radical or ion, e.g. disodium monohydrogen orthophosphate.
MONOPHYODONTmonophyodont adj. (Biology) Having only one set of teeth.
monophyodont n. (Biology) Any organism with only one set of teeth.
MONOPHYODONT n. an animal with only one set of teeth.
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.
UNHANDSOMELYunhandsomely adv. In an unhandsome manner.
UNHANDSOME adv. not handsome.

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: 122 words
  • Scrabble in French: 7 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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