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List of 13-letter words containing

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There are 19 thirteen-letter words containing H, I, O, R, T, U and Y

ALUMINOTHERMYaluminothermy n. (Inorganic chemistry) the production of a metal from its oxide by heating it with aluminium.
ALUMINOTHERMY n. a process for reducing metallic oxides using finely divided aluminium powder.
ANTIAUTHORITYantiauthority adj. Opposed to authority.
ANTIAUTHORITY adj. opposed to authority.
AUTOBIOGRAPHYautobiography n. (Countable) A self-written biography; the story of one’s own life.
autobiography n. (Uncountable) Biographies of this kind regarded as a literary genre.
AUTOBIOGRAPHY n. the biography of a person narrated by himself or herself.
HALLUCINATORYhallucinatory adj. Partaking of, or tending to produce, hallucination.
HALLUCINATORY adj. tending to produce hallucination, also HALLUCINATIVE.
HONOURABILITYhonourability n. A state or condition or being honourable.
HONOURABILITY n. the quality of being honourable, also HONORABILITY.
HYDROSULPHITEhydrosulphite n. Alternative spelling of hydrosulfite.
HYDROSULPHITE n. a salt of hydrosulphurous acid; esp. the sodium salt, used as a reagent.
HYPERCAUTIOUShypercautious adj. Especially or unreasonably cautious.
HYPERCAUTIOUS adj. excessively cautious.
HYPERFUNCTIONhyperfunction n. (Mathematics) A generalization of a function.
hyperfunction n. (Medicine) Abnormally elevated function.
HYPERFUNCTION n. the overactivity of a gland or other bodily organ.
HYPOPITUITARYhypopituitary adj. Relating to hypopituitarism.
HYPOPITUITARY adj. relating to hypopituitarism.
ICHTHYOSAURUSichthyosaurus n. (Archaic) Alternative form of ichthyosaur.
ichthyosaurus n. Any members of the genus Ichthyosaurus.
Ichthyosaurus prop.n. A taxonomic genus within the family Ichthyosauridae – large, extinct marine reptiles.
IMMUNOTHERAPYimmunotherapy n. (Immunology) The treatment of disease (especially cancers and autoimmune diseases) by adjusting the…
IMMUNOTHERAPY n. the treatment or prevention of disease by taking measures to increase immune system functioning.
MUSICOTHERAPYmusicotherapy n. Music therapy; the use of music to improve health.
MUSICOTHERAPY n. therapy involving the use of music.
PHYTONUTRIENTphytonutrient n. Any substance, of plant origin, that provides nutrition; a phytochemical.
RADICULOPATHYradiculopathy n. (Pathology) Any disease of the spinal nerve roots and spinal nerves.
SUBINHIBITORYsubinhibitory adj. (Medicine) Describing a concentration or dosage less than an inhibitory level.
SUBINHIBITORY adj. below a level that causes inhibition.
THYROGLOBULINthyroglobulin n. (Biochemistry) A globulin, produced by the thyroid gland, that has a role in the production of the thyroid hormones.
THYROGLOBULIN n. an iodine-containing protein of the thyroid gland that is the precursor of thyroxine and triiodothyronine.
TRUSTWORTHILYtrustworthily adv. In a trustworthy manner.
TRUSTWORTHY adv. worthy of confidence.
UNRIGHTEOUSLYunrighteously adv. In an unrighteous manner.
UNRIGHTEOUS adv. not righteous.
UPRIGHTEOUSLYuprighteously adv. In an uprighteous or just manner.
UPRIGHTEOUSLY adv. (Shakespeare) with moral right.

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: 126 words
  • Scrabble in French: 27 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: 1 word
  • Scrabble in German: no word
  • Scrabble in Romanian: 1 word


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