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List of 15-letter words containing

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There are 9 fifteen-letter words containing A, E, O, P, R, X and Y

ARCHAEOPTERYXESarchaeopteryxes n. Plural of archaeopteryx.
ARCHAEOPTERYX n. a Jurassic fossil bird of the Archaeopteryx genus, with a long bony tail, sharp-toothed jaws, and wings bearing three clawed digits.
HYDROXYAPATITEShydroxyapatites n. Plural of hydroxyapatite.
HYDROXYAPATITE n. a complex phosphate of calcium that occurs as a mineral and is the chief structural element of vertebrate bone.
HYDROXYLAPATITEhydroxylapatite n. Alternative spelling of hydroxyapatite.
HYDROXYLAPATITE n. a mineral of the apatite group that is rare in the ground but is the principal inorganic constituent of tooth enamel and bone.
INTERPAROXYSMALinterparoxysmal adj. Between paroxysms.
INTERPAROXYSMAL adj. between paroxysms.
PARAMYXOVIRUSESparamyxoviruses n. Plural of paramyxovirus.
PARAMYXOVIRUS n. any of a group of viruses which includes the mumps and measles viruses.
POLYCARBOXYLATEpolycarboxylate n. (Organic chemistry) Any ester of a polycarboxylic acid.
POLYCARBOXYLATE n. a salt or ester of a polycarboxylic acid, used in certain detergents.
XENOMORPHICALLYXENOMORPHIC adv. having a form not its own.
XEROGRAPHICALLYxerographically adv. In a xerographic way; by xerography.
XEROGRAPHIC adv. relating to xerography.
XERORADIOGRAPHYxeroradiography n. A method of X-ray photography which uses an electrically charged metal plate instead of film.
XERORADIOGRAPHY n. radiography used esp. in mammographic screening for breast cancer that produces an image using X-rays in a manner similar to the way an image is produced by light in xerography.

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: 90 words
  • Scrabble in French: 1 word
  • Scrabble in Spanish: 2 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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