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List of 15-letter words containing

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There are 16 fifteen-letter words containing C, H, 2O, T, U and Y

AUTOCHTHONOUSLYautochthonously adv. In an autochthonous manner.
AUTOCHTHONOUS adv. indigenous, aboriginal, also AUTOCHTHONAL, AUTOCHTHONIC.
AUTOMORPHICALLYautomorphically adv. (Mathematics) In terms of automorphisms.
AUTOMORPHIC adv. formed after its or one's own pattern.
AUTOTROPHICALLYautotrophically adv. In an autotrophic manner.
autotrophically adv. With regard to autotrophy.
AUTOTROPHIC adv. capable of building up food materials from inorganic matter.
CHEMOAUTOTROPHYchemoautotrophy n. (Biology) A mode of growth in which CO2 is the exclusive source of assimilated carbon, and energy is…
CHEMOAUTOTROPHY n. the production of energy by the oxidation of inorganic compounds, such as iron, ammonia and hydrogen sulphide.
COLLENCHYMATOUScollenchymatous adj. Relating to collenchyma.
COLLENCHYMATOUS adj. relating to collenchyma.
ETHNOMUSICOLOGYethnomusicology n. (Music) The study of music and culture; the study of music as it relates to its cultural context.
ETHNOMUSICOLOGY n. the study of comparative musical systems.
HETERODACTYLOUSheterodactylous adj. (Zoology) Having the first and second toes turned backward, as in the trogons.
HETERODACTYLOUS adj. having the first and second toes turned backwards, as in trogons, and not the first and fourth as in parrots.
HYPERPRODUCTIONhyperproduction n. Excessive production.
HYPERPRODUCTION n. excessive production.
ICHTHYODORULITEichthyodorulite n. (Zoology) One of the spiny plates found on the back and tail of certain skates.
ichthyodorulite n. (Geology) A fossil fish-spine found in stratified rock.
ICHTHYODORULITE n. a fossilised fish-spine, also ICHTHYODORYLITE.
NORTHCOUNTRYMANnorth␣countryman n. Someone from the north of England.
NORTHCOUNTRYMAN n. one living in the north.
NORTHCOUNTRYMENnorth␣countrymen n. Plural of north countryman.
NORTHCOUNTRYMAN n. one living in the north.
ODONTORHYNCHOUSODONTORHYNCHOUS adj. of birds, having toothlike ridges inside the beak.
ORNITHORHYNCHUSornithorhynchus n. A platypus (genus Ornithorhynchus).
Ornithorhynchus prop.n. A taxonomic genus within the family Ornithorhynchidae – the single species Ornithorhynchus anatinus…
ORNITHORHYNCHUS n. the duckbill platypus.
PROSENCHYMATOUSprosenchymatous adj. Relating to the prosenchyma.
PROSENCHYMATOUS adj. relating to prosenchyma, supporting plant tissue containing little protoplasm.
PSYCHOACOUSTICSpsychoacoustics n. The scientific study of all the psychological interactions between humans and the world of sound; includes…
PSYCHOACOUSTICS n. a branch of science dealing with the perception of sound, the sensations produced by sounds, and the problems of communication.
PSYCHONEUROTICSpsychoneurotics n. Plural of psychoneurotic.
PSYCHONEUROTIC n. one suffering from a psychoneurosis.

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: 113 words
  • Scrabble in French: 7 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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