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List of 15-letter words containing

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There are 15 fifteen-letter words containing A, C, 3E, O and Y

ARCHAEOPTERYXESarchaeopteryxes n. Plural of archaeopteryx.
ARCHAEOPTERYX n. a Jurassic fossil bird of the Archaeopteryx genus, with a long bony tail, sharp-toothed jaws, and wings bearing three clawed digits.
BENZENECARBONYLBENZENECARBONYL n. a systemic name for benzoyl.
CENOGENETICALLYCENOGENETIC adv. relating to cenogenesis, also CAENOGENETIC, CAINOGENETIC.
CYANOACETYLENEScyanoacetylenes n. Plural of cyanoacetylene.
CYANOACETYLENE n. a large and complex organic molecule found in interstellar clouds.
CYCLOPENTADIENEcyclopentadiene n. (Organic chemistry) an unsaturated alicyclic hydrocarbon, C5H6; it forms complexes with some transition…
CYCLOPENTADIENE n. a colourless liquid unsaturated cyclic hydrocarbon obtained in the cracking of petroleum hydrocarbons and the distillation of coal tar, used in the manufacture of plastics and insecticides.
ELECTROANALYSESelectroanalyses n. Plural of electroanalysis.
ELECTROANALYSIS n. electrochemical analysis.
ELECTRODIALYSESelectrodialyses n. Plural of electrodialysis.
ELECTRODIALYSIS n. the use of an electric field to speed up membranal diffusion.
ELECTROVALENTLYELECTROVALENT adv. relating to union within a chemical compound achieved by transfer of electrons.
ELEUTHERODACTYLELEUTHERODACTYL n. of birds, having the hind toe free.
EPEIROGENICALLYepeirogenically adv. By means of epeirogenesis.
EPEIROGENIC adv. relating to epeirogeny, the geological formation of continents, oceans, etc.
HAEMACYTOMETERShaemacytometers n. Plural of haemacytometer.
HAEMACYTOMETER n. an apparatus for counting the number of cells in a quantity of blood, typically consisting of a graduated pipette for drawing and diluting, also HEMACYTOMETER.
HAEMOCYTOMETERShaemocytometers n. Plural of haemocytometer.
HAEMOCYTOMETER n. an apparatus for counting the number of cells in a quantity of blood, typically consisting of a graduated pipette for drawing and diluting, also HEMOCYTOMETER.
HETEROCERCALITYheterocercality n. The quality of being heterocercal.
HETEROCERCALITY n. the state of being heterocercal, also HETEROCERCY.
KENOGENETICALLYKENOGENETIC adv. related to kenogenesis.
MYELENCEPHALONSMYELENCEPHALON n. the posterior part of the developing vertebrate hindbrain or the corresponding part of the adult brain composed of the medulla oblongata.

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: 127 words
  • Scrabble in French: 13 words
  • Scrabble in Spanish: 2 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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