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There are 12 thirteen-letter words containing H, I, 2L, N, O, T and Y

ACETYLCHOLINEacetylcholine n. (Biochemistry) A neurotransmitter in humans and other animals. It is an ester of acetic acid and choline…
ACETYLCHOLINE n. a substance secreted at the ends of nerve fibres when they activate muscles.
ANTHOPHYLLITEanthophyllite n. (Mineralogy) A dark brown amphibole mineral; a mixed silicate of iron and magnesium.
ANTHOPHYLLITE n. an orthorhombic ferromagnesian amphibole which occurs usually as fibrous or asbestiform masses.
DIPHTHONGALLYdiphthongally adv. By means of a diphthong.
DIPHTHONGAL adv. of or like a diphthong.
GENETHLIALOGYgenethlialogy n. Divination of the destiny of a newborn; the art of casting nativities; astrology.
GENETHLIALOGY n. the art of casting horoscopes.
GNATHONICALLYGNATHONICAL adv. (obsolete) flattering, also GNATHONIC.
HALLUCINATORYhallucinatory adj. Partaking of, or tending to produce, hallucination.
HALLUCINATORY adj. tending to produce hallucination, also HALLUCINATIVE.
HELMINTHOLOGYhelminthology n. (Zoology) The branch of zoology related to the study of helminths (parasitic worms).
HELMINTHOLOGY n. the study of parasitic worms.
LYSOLECITHINSlysolecithins n. Plural of lysolecithin.
LYSOLECITHIN n. a hydrolytic substance formed by the enzymatic hydrolysis (as by some snake venoms) of a lecithin.
POLYTECHNICALpolytechnical adj. Polytechnic.
polytechnical n. Polytechnic (educational institute).
POLYTECHNICAL adj. of or like a polytechnic.
THEOPHYLLINEStheophyllines n. Plural of theophylline.
THEOPHYLLINE n. an isomer of theobromine found in tea, used in medicine.
THRASONICALLYthrasonically adv. In a thrasonical manner.
THRASONICAL adv. given to or marked by boasting and bragging, also THRASONIC.
THYROGLOBULINthyroglobulin n. (Biochemistry) A globulin, produced by the thyroid gland, that has a role in the production of the thyroid hormones.
THYROGLOBULIN n. an iodine-containing protein of the thyroid gland that is the precursor of thyroxine and triiodothyronine.

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: 61 words
  • Scrabble in French: 2 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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