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List of 13-letter words containing

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There are 20 thirteen-letter words containing I, 2O, P, 2T and Y

COOPERATIVITYcooperativity n. (Biochemistry) An interaction between the substrate binding sites of an allosteric enzyme in which binding…
COOPERATIVITY n. the state of being cooperative.
CRYPTOLOGISTScryptologists n. Plural of cryptologist.
CRYPTOLOGIST n. a student of cryptology, the scientific study of codes.
DIAPHOTOTROPYDIAPHOTOTROPY n. the state of being diaphototropic, turning transversely to the light.
HYPNOTISATIONhypnotisation n. Alternative spelling of hypnotization.
HYPNOTISATION n. the process of hypnotising, also HYPNOTIZATION.
HYPNOTIZATIONhypnotization n. The act or process of producing hypnotism.
HYPNOTIZATION n. the process of hypnotizing, also HYPNOTISATION.
HYPOEUTECTOIDhypoeutectoid adj. Synonym of hypoeutectic.
hypoeutectoid n. A hypoeutectic alloy.
HYPOEUTECTOID adj. of a compound, containing less of the minor component than a eutectic compound.
HYPOTHECATIONhypothecation n. The use of property, or an existing mortgage, as security for a loan, etc.
hypothecation n. (Britain) A tax levied for a specific expenditure.
HYPOTHECATION n. the act of taking a mortgage.
INOPPORTUNITYinopportunity n. (Dated) Lack of opportunity; unseasonableness; inconvenience.
INOPPORTUNITY n. the state of being inopportune.
LYMPHOCYTOTIClymphocytotic adj. Relating to lymphocytosis.
LYMPHOCYTOTIC adj. relating to lymphocytosis, a great increase in leukocytes.
MYTHOPOETICALmythopoetical adj. (Mythology) Pertaining to the creation of myths; pertaining to mythopoiesis.
MYTHOPOETICAL adj. relating to mythopoeia.
PHOTOTOXICITYphototoxicity n. Any adverse effect due to exposure to light, especially such effects on the skin.
PHOTOTOXICITY n. the state of being phototoxic.
PHYTOTOXICITYphytotoxicity n. (Uncountable) The condition of being phytotoxic.
phytotoxicity n. (Countable) A measure of the extent to which something is phytotoxic.
PHYTOTOXICITY n. the state of being phytotoxic.
POLYGLOTTISMSpolyglottisms n. Plural of polyglottism.
POLYGLOTTISM n. the state of being polyglot.
POLYTONALISTSPOLYTONALIST n. one who writes polytonal music.
POSTMODERNITYpostmodernity n. The state or condition of being postmodern.
postmodernity n. Something postmodern.
POTENTIOMETRYpotentiometry n. (Physics) The measurement of electrical potential (voltage) using a potentiometer.
POTENTIOMETRY n. the measurement of the potential difference of electromotive force.
PROMOTABILITYpromotability n. The ability to be promoted (in any sense).
PROMOTABILITY n. the state of being promotable.
THYROTROPHINSthyrotrophins n. Plural of thyrotrophin.
THYROTROPHIN n. a hormone, produced in the anterior lobe of the pituitary gland, which stimulates the thyroid, also THYROTROPIN.
TOPOCHEMISTRYtopochemistry n. (Chemistry) The chemistry of reactions that are dependent on, or change, the topology of the reactants.
TOPOCHEMISTRY n. the study of reactions that only occur at specific regions in a system.
TRICHOPHYTONStrichophytons n. Plural of trichophyton.
TRICHOPHYTON n. any fungus of the genus Trichophyton, causing ringworm.

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: 180 words
  • Scrabble in French: 20 words
  • Scrabble in Spanish: 3 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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