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List of 13-letter words containing

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There are 19 thirteen-letter words containing H, L, S, T and 2Y

CYCLOTHYMIACScyclothymiacs n. Plural of cyclothymiac.
CYCLOTHYMIAC n. one suffering from cyclothymia.
HYDROLYSATIONhydrolysation n. Alternative form of hydrolyzation.
HYDROLYSATION n. the process of hydrolysing, also HYDROLYZATION.
HYPERSALINITYhypersalinity n. Abnormally high salinity.
HYPERSALINITY n. excessive salinity.
LIPODYSTROPHYlipodystrophy n. (Pathology) A disorder characterized by abnormal or degenerative conditions of the body’s adipose tissue.
LIPODYSTROPHY n. a medical condition characterized by abnormal or degenerative conditions of the body's adipose tissue.
LYMPHOCYTOSESlymphocytoses n. Plural of lymphocytosis.
LYMPHOCYTOSIS n. a great increase in leukocytes.
LYMPHOCYTOSISlymphocytosis n. (Pathology) An increase in the number or proportion of lymphocytes in the blood.
LYMPHOCYTOSIS n. a great increase in leukocytes.
PHENYLMETHYLSPHENYLMETHYL n. an ester of benzene, aka benzyl.
POLYCYTHEMIASpolycythemias n. Plural of polycythemia.
POLYCYTHEMIA n. a condition marked by an abnormal increase in the number of circulating red blood cells, also POLYCYTHAEMIA.
POLYETHYLENESpolyethylenes n. Plural of polyethylene.
POLYETHYLENE n. a generic name for certain thermoplastics, polymers of ethylene, also POLYTHENE.
POLYSYNTHESESpolysyntheses n. Plural of polysynthesis.
POLYSYNTHESIS n. the state of being polysynthetic.
POLYSYNTHESISpolysynthesis n. The act or process of combining many separate elements into a whole.
polysynthesis n. (Linguistics) The formation of a word by the combination of several simple words; agglutination.
POLYSYNTHESIS n. the state of being polysynthetic.
POLYSYNTHETICpolysynthetic adj. (Grammar, of languages) Characterized by a prevalence of relatively long words containing a large number…
polysynthetic adj. (Mineralogy) Having layers of twin crystals.
POLYSYNTHETIC adj. made up of many separate elements, also POLYSYNTHETICAL.
PSYCHOANALYSTpsychoanalyst n. A practitioner of psychoanalysis.
PSYCHOANALYST n. a practitioner of psychoanalysis.
PSYCHOTICALLYpsychotically adv. In a psychotic manner.
psychotically adv. As a result of psychosis.
PSYCHOTIC adv. suffering from a psychosis.
PYROPHYLLITESpyrophyllites n. Plural of pyrophyllite.
PYROPHYLLITE n. a silvery-white to pale-green aluminum silicate.
SYMPATHOLYTICsympatholytic adj. (Medicine) That opposes the stimulation of the sympathetic nervous system.
sympatholytic n. (Pharmacology) Any medicine having this effect.
SYMPATHOLYTIC adj. inhibiting the action of the sympathetic nervous system.
SYNTHETICALLYsynthetically adv. Using synthetic methods.
SYNTHETICAL adv. artificially produced but of similar nature to, not a mere substitute for, the natural product, also SYNTHETIC.
TACHYPHYLAXEStachyphylaxes n. Plural of tachyphylaxis.
TACHYPHYLAXIS n. very rapid development of tolerance or immunity to the effects of a drug.
TACHYPHYLAXIStachyphylaxis n. (Medicine) A rapidly decreasing response to a drug following administration of the initial doses.
TACHYPHYLAXIS n. very rapid development of tolerance or immunity to the effects of a drug.

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: 90 words
  • Scrabble in French: 8 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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