List of 13-letter words containing ••••••

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

HETEROCYSTOUS	• heterocystous adj. Having heterocysts. • HETEROCYSTOUS adj. of or like a heterocyst.
HETEROSTROPHY	• heterostrophy n. (Biology) Twisting in a different direction. • HETEROSTROPHY n. the state of being heterostrophic, consisting of unequal strophes.
HETEROSTYLOUS	• heterostylous adj. Exhibiting heterostyly. • HETEROSTYLOUS adj. having styles of different length in different flowers, also HETEROSTYLED.
HETEROZYGOTES	• heterozygotes n. Plural of heterozygote. • HETEROZYGOTE n. a heterozygous individual.
HYPNOTISATION	• hypnotisation n. Alternative spelling of hypnotization. • HYPNOTISATION n. the process of hypnotising, also HYPNOTIZATION.
HYPOTHECATORS	• hypothecators n. Plural of hypothecator. • HYPOTHECATOR n. one who hypothecates.
HYSTEROTOMIES	• hysterotomies n. Plural of hysterotomy. • HYSTEROTOMY n. a Caesarean cut.
ICHTHYOLOGIST	• ichthyologist n. An expert in ichthyology: one who studies fishes. • ICHTHYOLOGIST n. one who studies ichthyology.
PHOTOSYNTHATE	• photosynthate n. (Biochemistry) Any compound that is a product of photosynthesis. • PHOTOSYNTHATE n. a product of photosynthesis.
PHOTOTYPESETS	• phototypesets v. Third-person singular simple present indicative form of phototypeset. • PHOTOTYPESET v. to set (type matter) by phototypesetting.
PHYTOESTROGEN	• phytoestrogen n. (Biochemistry) A substance found in certain plants (such as genistein) which can produce effects like… • PHYTOESTROGEN n. a plant substance similar to a weak oestrogen.
STOECHIOMETRY	• stœchiometry n. Obsolete spelling of stoichiometry. • STOECHIOMETRY n. the branch of chemistry that deals with the numerical proportions in which substances react, also STOICHIOMETRY.
STOICHIOMETRY	• stoichiometry n. (Uncountable, chemistry) The study and calculation of quantitative (measurable) relationships of the… • stoichiometry n. (Countable, chemistry) The quantitative relationship between the reactants and products of a specific… • STOICHIOMETRY n. the branch of chemistry that deals with the numerical proportions in which substances react, also STOECHIOMETRY.
THORACOPLASTY	• thoracoplasty n. (Surgery) Surgery of the chest, usually involving removal of ribs. • THORACOPLASTY n. surgery to collapse a diseased lung by removing selected portions of the ribs.
THROMBOLYTICS	• thrombolytics n. Plural of thrombolytic. • THROMBOLYTIC n. a thrombolytic drug.
THYROTROPHINS	• thyrotrophins n. Plural of thyrotrophin. • THYROTROPHIN n. a hormone, produced in the anterior lobe of the pituitary gland, which stimulates the thyroid, also THYROTROPIN.
TOPOCHEMISTRY	• topochemistry 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.
TRICHOPHYTONS	• trichophytons n. Plural of trichophyton. • TRICHOPHYTON n. any fungus of the genus Trichophyton, causing ringworm.
YELLOWTHROATS	• yellowthroats n. Plural of yellowthroat. • YELLOWTHROAT n. any of several largely olive American warblers.

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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English Wiktionary: 130 words
Scrabble in French: 13 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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