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There are 16 fifteen-letter words containing A, D, L, 2O, R, T and Y

ALLOTETRAPLOIDYallotetraploidy n. The quality of being allotetraploid.
ALLOTETRAPLOIDY n. an allotetraploid organism.
AUTOTETRAPLOIDYautotetraploidy n. The property of being autotetraploid.
AUTOTETRAPLOIDY n. the state of being autotetraploid.
CONTRADICTORILYcontradictorily adv. In a contradictory manner.
CONTRADICTORY adv. serving to contradict.
CROTONALDEHYDEScrotonaldehydes n. Plural of crotonaldehyde.
CROTONALDEHYDE n. a pungent liquid aldehyde obtained by dehydration of aldol.
DECARBOXYLATIONdecarboxylation n. (Organic chemistry) The removal of one or more carboxyl groups from a molecule.
DECARBOXYLATION n. the removal or elimination of carboxyl from a molecule.
DEPHOSPHORYLATEdephosphorylate v. To cause, or undergo dephosphorylation.
DEPHOSPHORYLATE v. to remove phosphate groups from an organic compounds.
DORSOVENTRALITYdorsoventrality n. Alternative form of dorsiventrality.
DORSOVENTRALITY n. the state of being dorsoventral.
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.
HYDROTROPICALLYhydrotropically adv. In a hydrotropic manner.
HYDROTROPIC adv. exhibiting hydrotropism, i.e. growth in the direction of water.
LABYRINTHODONTSlabyrinthodonts n. Plural of labyrinthodont.
LABYRINTHODONT n. an extinct amphibian, so called from a mazy pattern on a section of its teeth.
ORTHODONTICALLYorthodontically adv. By orthodontic means.
ORTHODONTIC adv. relating to orthodontics, the rectification of crookedness in the teeth.
ORTHOPAEDICALLYorthopaedically adv. Alternative form of orthopedically.
orthopædically adv. Obsolete typography of orthopaedically.
ORTHOPAEDIC adv. relating to orthopaedics, also ORTHOPAEDICAL, ORTHOPEDIC.
PERIODONTICALLYPERIODONTIC adv. relating to periodontia, the branch of dentistry concerned with periodontal diseases.
POLYCHLORINATEDpolychlorinated adj. (Chemistry) Having many hydrogen atoms replaced by chlorine.
POLYCHLORINATED adj. as in polychlorinated biphenyl.
PYRAMIDOLOGISTSpyramidologists n. Plural of pyramidologist.
PYRAMIDOLOGIST n. a specialist in pyramidology.
ROUNDABOUTILITYROUNDABOUTILITY n. the state of being roundabout.

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: 172 words
  • Scrabble in French: 4 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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