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List of 13-letter words containing

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There are 19 thirteen-letter words containing D, E, H, 2O, R and Y

CHLAMYDOSPOREchlamydospore n. A thick-walled spore that is the resting stage of some bacteria.
CHLAMYDOSPORE n. a thick-walled usually resting fungal spore.
DYSMENORRHOEAdysmenorrhoea n. Alternative spelling of dysmenorrhea.
dysmenorrhœa n. Obsolete form of dysmenorrhea.
DYSMENORRHOEA n. painful menstruation, also DYSMENORRHEA.
GEOHYDROLOGICgeohydrologic adj. Relating to geohydrology.
GEOHYDROLOGIC adj. relating to geohydrology.
HYDROCHLORIDEhydrochloride n. (Chemistry) A compound of hydrochloric acid with an organic base such as an amine.
HYDROCHLORIDE n. a chemical complex composed of an organic base in association with hydrogen chloride.
HYDROGENATIONhydrogenation n. (Chemistry) The chemical reaction of hydrogen with another substance, especially with an unsaturated…
HYDROGENATION n. the act of hydrogenating.
HYDROGENATORShydrogenators n. Plural of hydrogenator.
HYDROGENATOR n. an agent that hydrogenates.
HYDROMEDUSOIDHYDROMEDUSOID n. a hydromedusa, also HYDROMEDUSA, HYDROMEDUSAN.
HYDROPEROXIDEhydroperoxide n. (Organic chemistry) any mono-substituted derivative of hydrogen peroxide - ROOH.
HYDROPEROXIDE n. a compound containing an O2H group.
HYDROQUINONEShydroquinones n. Plural of hydroquinone.
HYDROQUINONE n. another name for quinol.
HYDROTHORACEShydrothoraces n. Plural of hydrothorax.
HYDROTHORAX n. water liquid in the pleural cavity.
HYDROTHORAXEShydrothoraxes n. Plural of hydrothorax.
HYDROTHORAX n. water liquid in the pleural cavity.
HYPERBOLOIDALhyperboloidal adj. Having the shape or form of a hyperboloid.
HYPERBOLOIDAL adj. of or like a hyperboloid.
HYPERLORDOSESSorry, definition not available.
HYPERLORDOSIShyperlordosis n. (Pathology) Particularly severe lordosis.
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.
POLICYHOLDERSpolicyholders n. Plural of policyholder.
policy␣holders n. Plural of policy holder.
POLICYHOLDER n. the owner of an insurance policy.
PYRITOHEDRONSpyritohedrons n. Plural of pyritohedron.
PYRITOHEDRON n. a pentagonal dodecahedron.
SYNCHONDROSESsynchondroses n. Plural of synchondrosis.
SYNCHONDROSIS n. synarthrosis in which the bone surfaces are connected by cartilage.
THYROIDECTOMYthyroidectomy n. (Surgery) The surgical removal of part or all of the thyroid gland.
THYROIDECTOMY n. the surgical removal of the thyroid gland.

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: 174 words
  • Scrabble in French: 28 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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