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List of 13-letter words containing

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There are 11 thirteen-letter words containing D, H, M, 2O, S and Y

CHLAMYDOMONASChlamydomonas prop.n. A taxonomic genus within the family Chlamydomonadaceae – a unicellular green alga.
CHLAMYDOMONAS n. a member of the genus Chlamydomonas of (mainly freshwater) green algae.
CHLAMYDOSPOREchlamydospore n. A thick-walled spore that is the resting stage of some bacteria.
CHLAMYDOSPORE n. a thick-walled usually resting fungal spore.
DEMYTHOLOGISEdemythologise v. Alternative spelling of demythologize.
DEMYTHOLOGISE v. to remove mythology from in order to arrive at the basic meaning, also DEMYTHOLOGIZE.
DICHOTOMOUSLYdichotomously adv. In a dichotomous manner.
DICHOTOMOUS adv. forking into two equal branches.
DYSMENORRHOEAdysmenorrhoea n. Alternative spelling of dysmenorrhea.
dysmenorrhœa n. Obsolete form of dysmenorrhea.
DYSMENORRHOEA n. painful menstruation, also DYSMENORRHEA.
HYDROFORMINGSHYDROFORMING n. the catalytic reforming of petroleum to increase the proportion of aromatic and branched-chain hydrocarbons.
HYDROMEDUSOIDHYDROMEDUSOID n. a hydromedusa, also HYDROMEDUSA, HYDROMEDUSAN.
HYDROSOMATOUSHYDROSOMATOUS adj. of or like hydrosomata.
HYDROTROPISMShydrotropisms n. Plural of hydrotropism.
HYDROTROPISM n. growth in the direction of water.
MONOPHYODONTSmonophyodonts n. Plural of monophyodont.
MONOPHYODONT n. an animal with only one set of teeth.
PHOTODYNAMICSphotodynamics n. The study of the activating effects of light on living organisms.
PHOTODYNAMICS n. the branch of biology concerned with the effects of light on the actions of plants and animals.

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: 55 words
  • Scrabble in French: 3 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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