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There are 11 twelve-letter words containing H, M, U and X

EXOPHTHALMUSexophthalmus n. Alternative form of exophthalmos.
Exophthalmus prop.n. A taxonomic genus within the family Curculionidae – certain broad-nosed weevils.
EXOPHTHALMUS n. abnormal protrusion of the eyeball, also EXOPHTHALMOS.
HOMOSEXUALLYhomosexually adv. In a homosexual way.
HOMOSEXUAL adv. attracted to the same sex.
HYDROXONIUMShydroxoniums n. Plural of hydroxonium.
HYDROXONIUM n. the obsolete name for the cation H3O+ derived from protonation of water.
PNEUMOTHORAXpneumothorax n. (Medicine) Presence of air inside the pleural cavity, usually caused by injury either to the lung or the chest wall.
PNEUMOTHORAX n. accumulation of air or gas in the pleural cavity.
UNNILHEXIUMSUNNILHEXIUM n. a chemical element, aka seaborgium.
XANTHOMATOUSxanthomatous adj. Of or relating to xanthoma or xanthomatosis.
XANTHOMATOUS adj. of or like a xanthoma, a skin disease marked by the development or irregular yellowish patches upon the skin.
XENODOCHIUMSxenodochiums n. Plural of xenodochium.
XENODOCHIUM n. a building for the reception of strangers, e.g. a guesthouse in a monastery.
XERANTHEMUMSxeranthemums n. Plural of xeranthemum.
XERANTHEMUM n. any plant of the Xeranthemum genus of plants of southern Europe, belonging to the thistle family.
XEROMORPHOUSxeromorphous adj. Xeromorphic.
XEROMORPHOUS adj. of parts of a plant, protected against excessive loss of water by thick cuticles, coatings of hairs and similar structural features, also XEROMORPHIC.
XIPHISTERNUMxiphisternum n. (Biology, medicine) Synonym of xiphoid process.
XIPHISTERNUM n. the posterior and smallest of the three divisions of the sternum.
ZANTHOXYLUMSzanthoxylums n. Plural of zanthoxylum.
ZANTHOXYLUM n. a plant of a genus of the rue family found in Brazil, in particular the prickly-ash or Hercules club, also XANTHOXYL, ZANTHOXYL.

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: 44 words
  • Scrabble in French: 16 words
  • Scrabble in Spanish: 3 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: 7 words


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