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There are 13 thirteen-letter words containing E, H, 3O, 2R and T

CHROMATOPHOREchromatophore n. A pigment-bearing cell or structure found in certain fish, reptiles, cephalopods, and other animals.
CHROMATOPHORE n. a pigment-bearing cell.
CHROMOPROTEINchromoprotein n. (Biochemistry) Any protein, such as haemoglobin, that has a metal-containing pigmented group such as haem.
CHROMOPROTEIN n. any of various proteins (as hemoglobins, carotenoids, or flavoproteins) having a pigment as a prosthetic group.
DROOLWORTHIERDROOLWORTHY adj. inspiring or likely to inspire excessive enthusiasm or pleasure; extremely attractive or desirable.
HETEROSPOROUSheterosporous adj. (Botany, of an organism) Producing both male and female gametophytes.
HETEROSPOROUS adj. producing two different sizes or kinds of spores.
MORPHOTROPIESMORPHOTROPY n. the effect on crystalline form of the addition or substitution of an element or radical.
MOUTHBROODERSmouthbrooders n. Plural of mouthbrooder.
MOUTHBROODER n. a cichlid fish that carries its young in its mouth for protection, also MOUTHBREEDER.
ORTHOHYDROGENorthohydrogen n. (Physics) form of the hydrogen molecule (H2) in which the two nuclei have parallel spin; about 75% of…
ORTHOHYDROGEN n. the form of molecular hydrogen, constituting about 75 per cent of the total at normal temperatures, in which the nuclei of the atoms spin in the same direction.
ORTHOPTEROIDSorthopteroids n. Plural of orthopteroid.
ORTHOPTEROID n. a member of the Orthoptera, cockroaches.
ORTHOPYROXENEorthopyroxene n. (Mineralogy) Any pyroxene that forms orthorhombic crystals.
ORTHOPYROXENE n. a member of the pyroxene group of minerals having an orthorhombic crystal structure, such as enstatite and hypersthene.
PHOTORECEPTORphotoreceptor n. (Biology) A specialized neuron or other structure able to detect and react to light.
PHOTORECEPTOR n. a receptor for light stimuli.
PROTOCHORDATEprotochordate n. Any chordate of the phyla Hemichordata, Urochordata or Cephalochordata.
PROTOCHORDATE n. a member of the Protochordata.
PROTOTROPHIESprototrophies n. Plural of prototrophy.
PROTOTROPHY n. the state of being prototrophic.
RHODOCHROSITErhodochrosite n. (Mineralogy) A crystalline mineral composed mainly of manganese carbonate MnCO3.
RHODOCHROSITE n. manganese ore.

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: 90 words
  • Scrabble in French: 17 words
  • Scrabble in Spanish: 6 words
  • Scrabble in Italian: 5 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 19 words


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