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List of 13-letter words containing

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There are 20 thirteen-letter words containing A, E, 3O, P, R and T

APOGEOTROPISMapogeotropism n. (Botany) An apogeotropic tendency.
APOGEOTROPISM n. bending up or away from the ground.
CHROMATOPHOREchromatophore n. A pigment-bearing cell or structure found in certain fish, reptiles, cephalopods, and other animals.
CHROMATOPHORE n. a pigment-bearing cell.
CONCORPORATEDconcorporated v. Simple past tense and past participle of concorporate.
CONCORPORATE v. (archaic) to unite in one body.
CONCORPORATESconcorporates v. Third-person singular simple present indicative form of concorporate.
CONCORPORATE v. (archaic) to unite in one body.
GASTEROPODOUSgasteropodous adj. Obsolete form of gastropodous.
GASTEROPODOUS adj. like a gasteropod.
GERONTOPHOBIAgerontophobia n. An abnormal and persistent fear of aging or growing old.
gerontophobia n. An abnormal and persistent fear of elderly individuals or people.
gerontophobia n. An aversion or hatred towards elderly people.
NONCOOPERATORnoncooperator n. A person who does not cooperate.
NONCOOPERATOR n. one who does not cooperate.
OSTREOPHAGOUSostreophagous adj. Oyster-eating.
OSTREOPHAGOUS adj. oyster-eating.
PHOTOREACTIONphotoreaction n. (Chemistry) a photochemical reaction.
PHOTOREACTION n. a photochemical reaction.
POSTDOCTORATEpostdoctorate adj. Postdoctoral.
postdoctorate n. Synonym of postdoc.
POSTDOCTORATE n. a degree after a doctorate.
PROPAROXYTONEproparoxytone adj. (Linguistics, of a word) Having the stress or accent on the antepenultimate syllable.
proparoxytone n. (Linguistics) A proparoxytone word.
PROPAROXYTONE n. in ancient Greek, a word having the acute accent on the third last syllable.
PROPORTIONATEproportionate adj. In proportion; proportional; commensurable.
proportionate adj. Harmonious and symmetrical.
proportionate v. (Transitive) To make proportionate.
PROTOCERATOPSSorry, definition not available.
PROTOCHORDATEprotochordate n. Any chordate of the phyla Hemichordata, Urochordata or Cephalochordata.
PROTOCHORDATE n. a member of the Protochordata.
PROTONOTARIESprotonotaries n. Plural of protonotary.
PROTONOTARY n. a court clerk; a chief clerk of any of various courts of law, also PROTHONOTARY.
RADIOISOTOPESradioisotopes n. Plural of radioisotope.
RADIOISOTOPE n. a radioactive isotope.
SOMATOTROPINEsomatotropine n. Alternative spelling of somatotropin.
SOMATOTROPINE n. a growth hormone, also SOMATOTROPHIN, SOMATOTROPIN.
THORACOSCOPESthoracoscopes n. Plural of thoracoscope.
THORACOSCOPE n. an instrument for viewing the thorax and chest wall.
TOPOISOMERASEtopoisomerase n. (Biochemistry) Any of several enzymes that affect the topology of DNA, especially ones that relax supercoiling.
TOPOISOMERASE n. any of a class of enzymes that reduce supercoiling in DNA by breaking and rejoining one or both strands of the DNA molecule.
TROPOCOLLAGENtropocollagen n. (Biochemistry) A component of fibres of collagen in which three polypeptide chains are coiled around each other.
TROPOCOLLAGEN n. a subunit of collagen fibrils consisting of three polypeptide strands arranged in a helix.

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: 137 words
  • Scrabble in French: 20 words
  • Scrabble in Spanish: 41 words
  • Scrabble in Italian: 100 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 147 words


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