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List of 15-letter words containing

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There are 7 fifteen-letter words containing D, I, 2L, 3O and R

HYDROBIOLOGICALhydrobiological adj. Of or pertaining to hydrobiology.
HYDROBIOLOGICAL adj. relating to hydrobiology, the study of aquatic organisms.
HYDROGEOLOGICALhydrogeological adj. Of or pertaining to hydrogeology.
HYDROGEOLOGICAL adj. related to hydrogeology.
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.
OLIGODENDROGLIAoligodendroglia n. (Anatomy) tissue (neuroglia) consisting of glial cells that are smaller than astrocytes and form the myelin sheath.
OLIGODENDROGLIA n. a glia made up of oligodendrocytes that forms the myelin sheath around axons in the central nervous system.
ORTHODONTICALLYorthodontically adv. By orthodontic means.
ORTHODONTIC adv. relating to orthodontics, the rectification of crookedness in the teeth.
RADIOBIOLOGICALradiobiological adj. Of or pertaining to radiobiology.
RADIOBIOLOGICAL adj. relating to radiobiology, also RADIOBIOLOGIC.
RADIOLOCATIONALradiolocational adj. Relating to radiolocation.
RADIOLOCATIONAL adj. relating to radiolocation, position-finding by radio signals.

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: 57 words
  • Scrabble in French: 2 words
  • Scrabble in Spanish: 1 word
  • Scrabble in Italian: 10 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 73 words


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