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List of 15-letter words containing

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There are 10 fifteen-letter words containing 3H, I and O

CHEMOLITHOTROPHchemolithotroph n. Chemoautotroph.
CHEMOLITHOTROPH n. a bacterium that obtains its energy from inorganic compounds containing iron, nitrogen, or sulfur, and not from living on decaying organisms.
CHONDRICHTHYANSchondrichthyans n. Plural of chondrichthyan.
CHONDRICHTHYAN n. a technical name for a cartilaginous fish.
HERNIORRHAPHIESherniorrhaphies n. Plural of herniorrhaphy.
HERNIORRHAPHY n. the surgical repair of a hernia by an operation involving suturing.
HOUSEHOLDERSHIPhouseholdership n. The position or role of a householder.
HOUSEHOLDERSHIP n. the office of householder.
ICHTHYOPHAGISTSichthyophagists n. Plural of ichthyophagist.
ICHTHYOPHAGIST n. one who eats fish.
OPHTHALMOPHOBIAOPHTHALMOPHOBIA n. a morbid fear of being stared at.
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.
ORTHOPHOSPHORICorthophosphoric adj. (Chemistry) Describing the ordinary form of phosphoric acid and its derivatives.
ORTHOPHOSPHORIC adj. phosphoric.
PHENOLPHTHALEINphenolphthalein n. (Chemistry, pharmacology) A white or yellowish-white crystalline compound C20H14O4 used in medicine…
phenol␣phthalein n. (Chemistry) A white or yellowish-white crystalline substance made from phthalic acid and phenol. Its…
PHENOLPHTHALEIN n. a crystalline compound used as an indicator.
PHOTOLITHOGRAPHphotolithograph n. A lithograph made by photolithography.
photolithograph v. To produce (a picture or copy) by the process of photolithography.
PHOTOLITHOGRAPH n. a plate produced by photolithography.

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: 123 words
  • Scrabble in French: 2 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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