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List of 13-letter words containing

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There are 20 thirteen-letter words containing A, E, H, 2L, N 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.
AMINOPHYLLINEaminophylline n. (Pharmacology) A bronchodilator comprising theophylline and ethylenediamine in a 2:1 ratio.
AMINOPHYLLINE n. a drug used to stimulate the heart and to dilate the air passages.
ANISOPHYLLIESANISOPHYLLY n. the state of being anisophyllous.
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.
AUTHENTICALLYauthentically adv. In an authentic manner; with the requisite or genuine authority.
AUTHENTICAL adv. (archaic) authentic.
CHALLENGINGLYchallengingly adv. In a way or to an extent that challenges.
CHALLENGING adv. CHALLENGE, to summon (someone) to settle a matter by fighting or by any kind of contest.
COLLENCHYMATACOLLENCHYMA n. the supportive tissue of plants.
GENETHLIALOGYgenethlialogy n. Divination of the destiny of a newborn; the art of casting nativities; astrology.
GENETHLIALOGY n. the art of casting horoscopes.
INTRATHECALLYintrathecally adv. In an intrathecal way; into the spinal canal.
INTRATHECAL adv. introduced into or occurring in the space under the arachnoid membrane of the brain or spinal cord.
JELLYGRAPHINGjellygraphing v. Present participle of jellygraph.
JELLYGRAPH v. to copy by jellygraph, an old device for copying that used a plate of jelly.
LISSENCEPHALYlissencephaly n. (Anatomy, neurology) The condition of having a smooth appearance on the surface of the brain.
MYELENCEPHALAmyelencephala n. Plural of myelencephalon.
MYELENCEPHALON n. the posterior part of the developing vertebrate hindbrain or the corresponding part of the adult brain composed of the medulla oblongata.
PHENYLALANINEphenylalanine n. (Biochemistry) An essential amino acid C9H11NO2 found in most animal proteins; it is essential for growth;…
PHENYLALANINE n. an essential amino-acid present in most proteins, also PHENYLALANIN.
PHENYLALANINSPHENYLALANIN n. an essential amino acid present in most proteins, also PHENYLALANINE.
PHRENETICALLYphrenetically adv. Dated form of frenetically.
PHRENETICAL adv. frenzied, frenetic, also FRENETIC, PHRENETIC, PHRENTICK.
PLATYHELMINTHplatyhelminth n. Any flatworm of the phylum Platyhelminthes.
PLATYHELMINTH n. a tapeworm or planarian.
POLYTECHNICALpolytechnical adj. Polytechnic.
polytechnical n. Polytechnic (educational institute).
POLYTECHNICAL adj. of or like a polytechnic.
SULPHONYLUREAsulphonylurea n. Alternative spelling of sulfonylurea.
SULPHONYLUREA n. a synthetic compound used to reduce the level of glucose in the blood in diabetes mellitus.
SYNTHETICALLYsynthetically adv. Using synthetic methods.
SYNTHETICAL adv. artificially produced but of similar nature to, not a mere substitute for, the natural product, also SYNTHETIC.
UNHEALTHFULLYunhealthfully adv. In an unhealthful manner.
UNHEALTHFUL adv. not healthful.

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 1Word.ws and WikWik.org.

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See this list for:

  • English Wiktionary: 136 words
  • Scrabble in French: 6 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: 1 word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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