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There are 16 thirteen-letter words containing H, M, N and X

CHEMOTAXONOMYchemotaxonomy n. (Biochemistry, genetics) The classification or taxonomy of organisms based on differences and similarities…
CHEMOTAXONOMY n. the classification of plants and animals based on similarities and differences in biochemical composition.
DEXAMETHASONEdexamethasone n. (Pharmacology, biochemistry) A synthetic member of the glucocorticoid-class of steroid hormones, having…
DEXAMETHASONE n. a synthetic glucocorticoid used esp. as an anti-inflammatory agent.
EXAMINERSHIPSexaminerships n. Plural of examinership.
EXAMINERSHIP n. the office of examiner.
EXANTHEMATOUSexanthematous adj. Of or pertaining to exanthem.
EXANTHEMATOUS adj. of or like an exanthem, a skin eruption, esp. accompanied by fever, also EXANTHEMATIC.
EXHIBITIONISMexhibitionism n. The practice or character trait of deliberately drawing attention to oneself.
exhibitionism n. (Pathology) The practice or character trait of deliberately displaying one’s genitals, nipples, or buttocks…
EXHIBITIONISM n. extravagant behaviour aimed at drawing attention to oneself.
HAEMATOXYLINShaematoxylins n. Plural of haematoxylin.
HAEMATOXYLIN n. a dye obtained from logwood, also HEMATOXYLIN.
HAEMATOXYLONSHAEMATOXYLON n. any thorny leguminous tree of the genus Haematoxylon, esp. the logwood, of tropical America and SW Africa, the heartwood of which yields the dye haematoxylin.
HEXAMETHONIUMhexamethonium n. (Pharmacology) Synonym of hexamethonium bromide.
HEXAMETHONIUM n. either of two compounds used as ganglionic blocking agents in the treatment of hypertension.
HEXAMETRISINGHEXAMETRISE v. to put into hexameters, also HEXAMETRIZE.
HEXAMETRIZINGhexametrizing v. Present participle of hexametrize.
HEXAMETRIZE v. to put into hexameters, also HEXAMETRISE.
HYDROXYLAMINEhydroxylamine n. (Inorganic chemistry) An explosive inorganic derivative of ammonia, NH2OH, used as a reducing agent…
hydroxylamine n. (Organic chemistry) Any organic derivative of this compound.
HYDROXYLAMINE n. a colorless odorless nitrogenous base that resembles ammonia in its reactions.
NONHOMOSEXUALnonhomosexual adj. Not homosexual.
nonhomosexual n. One who is not a homosexual.
NONHOMOSEXUAL n. one who is not homosexual.
OXYHEMOGLOBINoxyhemoglobin n. (American spelling) Alternative form of oxyhaemoglobin.
OXYHEMOGLOBIN n. a loose compound of oxygen and haemoglobin, also OXYHAEMOGLOBIN.
XANTHOCHROISMxanthochroism n. Alternative form of xanthochromism.
XANTHOCHROISM n. a condition in which all skin pigments except yellow disappear.
XANTHOCHROMIAxanthochromia n. (Medicine) The yellowish appearance of cerebrospinal fluid that accompanies certain conditions, especially…
XANTHOCHROMIA n. any yellowish discoloration, esp. of the cerebrospinal fluid.
XIPHISTERNUMSxiphisternums n. Plural of xiphisternum.
XIPHISTERNUM n. the posterior and smallest of the three divisions of the sternum.

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: 129 words
  • Scrabble in French: 6 words
  • Scrabble in Spanish: 1 word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: 5 words


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