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There are 18 fifteen-letter words containing D, E, L, 2O, R, T and U

AUTOTETRAPLOIDSautotetraploids n. Plural of autotetraploid.
AUTOTETRAPLOID n. an individual or strain whose chromosome complement consists of four copies of a single genome due to doubling of an ancestral chromosome complement.
AUTOTETRAPLOIDYautotetraploidy n. The property of being autotetraploid.
AUTOTETRAPLOIDY n. the state of being autotetraploid.
COUNTERBLOCKADEcounterblockade n. A blockade set up in opposition to another blockade.
COUNTERBLOCKADE n. an opposing blockade.
COUNTERMELODIEScountermelodies n. Plural of countermelody.
counter-melodies n. Plural of counter-melody.
counter␣melodies n. Plural of counter melody.
DECOLOURISATIONdecolourisation n. Alternative spelling of decolorization.
DECOLOURISATION n. the process of decolourising, also DECOLORISATION, DECOLORIZATION, DECOLOURIZATION.
DECOLOURIZATIONdecolourization n. Alternative spelling of decolorization.
DECOLOURIZATION n. the process of decolourizing, also DECOLORISATION, DECOLORIZATION, DECOLOURISATION.
DEMERITORIOUSLYDEMERITORIOUS adv. not meritorious.
DESSERTSPOONFULdessertspoonful n. A quantity of something about the volume of a dessertspoon, or 2 teaspoons.
DESSERTSPOONFUL n. the contents of a dessert spoon.
DEUTERANOMALOUSdeuteranomalous adj. Having or relating to deuteranomaly.
DEUTERANOMALOUS adj. exhibiting partial loss of green color vision so that an increased intensity of green is required in a mixture of red and green to match a given yellow.
DOWNREGULATIONSdownregulations n. Plural of downregulation.
DOWNREGULATION n. the process of reducing or suppressing a response to a stimulus.
EDRIOPHTHALMOUSedriophthalmous adj. (Zoology) Pertaining to the Edriophthalma, a former classification of peracarids.
EDRIOPHTHALMOUS adj. of crustaceans, with stalkless eyes, also EDRIOPHTHALMIAN, EDRIOPHTHALMIC.
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.
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.
INTERMODULATIONintermodulation n. (Physics) modulation of the different frequencies of interacting waves.
INTERMODULATION n. the production in an electrical device of currents having frequencies equal to the sums and differences of frequencies supplied to the device or of their harmonics.
NEUROECTODERMALneuroectodermal adj. Of or pertaining to the neuroectoderm.
NEUROECTODERMAL adj. as in peripheral primitive neuroectodermal tumour, another name for Ewing's sarcoma.
ORNITHODELPHOUSORNITHODELPHOUS adj. of or like the Ornithodelphia, monotremes, also ORNITHODELPHIAN, ORNITHODELPHIC.
RIBONUCLEOTIDESribonucleotides n. Plural of ribonucleotide.
RIBONUCLEOTIDE n. a nucleotide containing ribose.
SCLERODERMATOUSsclerodermatous adj. Relating to, or exhibiting, scleroderma.
SCLERODERMATOUS adj. hard-skinned; having bony armour.

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: 190 words
  • Scrabble in French: 24 words
  • Scrabble in Spanish: 7 words
  • Scrabble in Italian: 15 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 162 words


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