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List of 13-letter words containing

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There are 19 thirteen-letter words containing E, N, O, R, X and Y

CLINOPYROXENEclinopyroxene n. (Mineralogy) Any pyroxene that has a monoclinic crystal structure.
CLINOPYROXENE n. a member of the pyroxene group of minerals having a monoclinic crystal structure, such as augite, diopside, or jadeite.
CYCLODEXTRINScyclodextrins n. Plural of cyclodextrin.
CYCLODEXTRIN n. any of several water-soluble carbohydrates with hydrophobic interiors, used to provide capsules for drugs.
DEOXYCORTONESDEOXYCORTONE n. a corticosteroid hormone important in maintaining sodium and water balance in the body.
EXPEDITIONARYexpeditionary adj. Of or pertaining to an expedition.
expeditionary adj. (Military) Intended for military operations abroad.
expeditionary n. (Chiefly in the plural) One who goes on expeditions, especially one who is a member of an expeditionary…
EXPLANATORILYexplanatorily adv. With regard to explanation, or explanatory power.
EXPLANATORY adv. serving to explain, also EXPLANATIVE.
EXTERMINATORYexterminatory adj. Relating to or marked by extermination.
EXTERMINATORY adj. of, relating to, or marked by extermination.
EXTRAORDINARYextraordinary adj. Not ordinary; exceptional; unusual.
extraordinary adj. Remarkably good.
extraordinary adj. Special or supernumerary.
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.
HYPOPHARYNXEShypopharynxes n. Plural of hypopharynx.
HYPOPHARYNX n. an appendage or thickened fold on the floor of the mouth of many insects that resembles a tongue.
INEXORABILITYinexorability n. The quality or state of being inexorable.
INEXORABILITY n. the state of being inexorable.
NASOPHARYNXESnasopharynxes n. Plural of nasopharynx.
NASOPHARYNX n. the upper part of the pharynx continuous with the nasal passages.
NEUROTOXICITYneurotoxicity n. The state or property of being neurotoxic.
NEUROTOXICITY n. the state of being neurotoxic.
ORTHOPYROXENEorthopyroxene n. (Mineralogy) Any pyroxene that forms orthorhombic crystals.
ORTHOPYROXENE n. a member of the pyroxene group of minerals having an orthorhombic crystal structure, such as enstatite and hypersthene.
OXYRHYNCHUSESOXYRHYNCHUS n. an Egyptian fish, sacred to the goddess Hathor, represented on coins and sculptures.
PROPAROXYTONEproparoxytone adj. (Linguistics, of a word) Having the stress or accent on the antepenultimate syllable.
proparoxytone n. (Linguistics) A proparoxytone word.
PROPAROXYTONE n. in ancient Greek, a word having the acute accent on the third last syllable.
PROPOXYPHENESpropoxyphenes n. Plural of propoxyphene.
PROPOXYPHENE n. a narcotic analgesic structurally related to methadone but less addicting.
PYRIDOXAMINESpyridoxamines n. Plural of pyridoxamine.
PYRIDOXAMINE n. a crystalline amine of the vitamin B6 group.
REOXYGENATINGreoxygenating v. Present participle of reoxygenate.
REOXYGENATE v. to oxygenate again.
REOXYGENATIONreoxygenation n. Oxygenation subsequent to deoxygenation.

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: 158 words
  • Scrabble in French: 25 words
  • Scrabble in Spanish: 2 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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