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There are 17 fifteen-letter words containing D, 2E, I, 2O and Y

DEHYDROGENATIONdehydrogenation n. (Chemistry) Any reaction or process in which hydrogen is removed from a substance, especially the production…
DEHYDROGENATION n. the removal of hydrogen from a chemical compound.
DEHYDRORETINOLSDEHYDRORETINOL n. vitamin A2.
DEMERITORIOUSLYDEMERITORIOUS adv. not meritorious.
DEMYTHOLOGISERSDEMYTHOLOGISER n. one who demythologises, also DEMYTHOLOGIZER.
DEMYTHOLOGIZERSdemythologizers n. Plural of demythologizer.
DEMYTHOLOGIZER n. one who demythologizes, also DEMYTHOLOGISER.
DIHYDROCODEINESDIHYDROCODEINE n. a synthetic drug similar to codeine, used as an analgesic, an antidiarrhoeal, and to relieve coughing.
DYSTELEOLOGICALdysteleological adj. Of or pertaining to dysteleology.
DYSTELEOLOGICAL adj. related to dysteleology, the study of functionless rudimentary organs in animals and plants.
DYSTELEOLOGISTSdysteleologists n. Plural of dysteleologist.
DYSTELEOLOGIST n. a specialist in dysteleology, the study of functionless rudimentary organs in animals and plants.
ENDONUCLEOLYTICendonucleolytic adj. (Biochemistry) That cleaves nucleic acids in half by hydrolyzing the bonds between nucleotides.
ENDONUCLEOLYTIC adj. cleaving a nucleotide chain into two parts at an internal point.
HOBBLEDEHOYISMSHOBBLEDEHOYISM n. the state of being a hobbledehoy, also HOBBLEDEHOYDOM, HOBBLEDEHOYHOOD.
LEPIDOPTEROLOGYlepidopterology n. (Biology, zoology, entomology) The scientific study of butterflies and moths (the Lepidoptera).
lepidopterology n. Lepidoptery, (the hobby of butterfly collecting).
LEPIDOPTEROLOGY n. the study of butterflies and moths.
OLIGODENDROCYTEoligodendrocyte n. (Biology) Any of the cells of the oligodendroglia in the nervous system.
OLIGODENDROCYTE n. a glial cell resembling an astrocyte but smaller with few and slender processes having few branches.
OSTEOMYELITIDESosteomyelitides n. Plural of osteomyelitis.
OVERCONFIDENTLYoverconfidently adv. In an overconfident manner.
OVERCONFIDENT adv. excessively confident.
POLIOMYELITIDESpoliomyelitides n. Plural of poliomyelitis.
POLIOMYELITIS n. a virus disease of the spinal cord, often causing paralysis; infantile paralysis.
POLYNUCLEOTIDESpolynucleotides n. Plural of polynucleotide.
POLYNUCLEOTIDE n. a polymeric chain of nucleotides.
THYROIDECTOMIESthyroidectomies n. Plural of thyroidectomy.
THYROIDECTOMY n. the surgical removal of the thyroid gland.

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: 213 words
  • Scrabble in French: 17 words
  • Scrabble in Spanish: 3 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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