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List of 13-letter words containing

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There are 17 thirteen-letter words containing 2R, X and Y

ARCHAEOPTERYXarchaeopteryx n. Alternative spelling of archeopteryx.
Archaeopteryx prop.n. A taxonomic genus within the family Archaeopterygidae – known from fossils and widely accepted as the…
archæopteryx n. Rare spelling of archeopteryx.
EXTEMPORARILYextemporarily adv. In an extemporary manner.
EXTEMPORARY adv. unpremeditated; esp. of prayer, discourse, composition, etc., also EXTEMPORANEOUS, EXTEMPORE.
EXTERMINATORYexterminatory adj. Relating to or marked by extermination.
EXTERMINATORY adj. of, relating to, or marked by extermination.
EXTRALIMITARYextralimitary adj. Beyond the limit or bounds.
EXTRALIMITARY adj. not found within a given faunal area; lying outside a prescribed area.
EXTRALITERARYextraliterary adj. Outside literature.
EXTRALITERARY adj. lying outside the field of literature.
EXTRAORDINARYextraordinary adj. Not ordinary; exceptional; unusual.
extraordinary adj. Remarkably good.
extraordinary adj. Special or supernumerary.
EXTRAPOLATORYextrapolatory adj. Serving to extrapolate.
EXTRAPOLATORY adj. of or like an extrapolation.
HYDROPEROXIDEhydroperoxide n. (Organic chemistry) any mono-substituted derivative of hydrogen peroxide - ROOH.
HYDROPEROXIDE n. a compound containing an O2H group.
HYDROTHORAXEShydrothoraxes n. Plural of hydrothorax.
HYDROTHORAX n. water liquid in the pleural cavity.
HYDROXYCITRICHYDROXYCITRIC adj. as in hydroxycitric acid, an extract of the plant garcinia.
HYPERPROSEXIAhyperprosexia n. (Medicine, rare) Excessive attention; an abnormal state in which a person concentrates on one thing…
HYPERPROSEXIA n. abnormal powers of perception, as in Australian aboriginal trackers.
HYPERPYREXIALhyperpyrexial adj. Exhibiting or relating to hyperpyrexia.
HYPERPYREXIAL adj. showing hyperpyrexia, an extremely high fever.
HYPERPYREXIAShyperpyrexias n. Plural of hyperpyrexia.
HYPERPYREXIA n. an extremely high fever, with a temperature of 41 degrees Centigrade or above, also HYPERTHERMY.
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.
PARAMYXOVIRUSparamyxovirus n. (Virology) Any member of the Paramyxoviridae family of negative-sense single-stranded RNA viruses responsible…
PARAMYXOVIRUS n. any of a group of viruses which includes the mumps and measles viruses.
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.
TRICARBOXYLICtricarboxylic adj. (Organic chemistry) Having three carboxylic groups.
TRICARBOXYLIC adj. containing three carboxyl groups in the molecule.

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: 115 words
  • Scrabble in French: 13 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: 1 word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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