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

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There are 16 thirteen-letter words containing D, E, H, O, U and Y

DEINONYCHUSES	• deinonychuses n. Plural of deinonychus. • DEINONYCHUS n. any of a genus of small bipedal carnivorous theropod dinosaurs from the Cretaceous.
DICHLAMYDEOUS	• dichlamydeous adj. (Botany) Having two coverings, a calyx and a corolla. • DICHLAMYDEOUS adj. having both a calyx and a corolla.
HEXADACTYLOUS	• hexadactylous adj. (Zoology) Having six fingers or toes. • HEXADACTYLOUS adj. having six fingers, also HEXADACTYLIC.
HYALURONIDASE	• hyaluronidase n. (Biochemistry) Any enzyme that catalyses the hydrolysis of hyaluronic acid. • HYALURONIDASE n. a mucolytic enzyme that facilitates the spread of fluids through tissues by lowering the viscosity of hyaluronic acid.
HYDROCEPHALUS	• hydrocephalus n. (Medicine) A usually congenital condition in which an abnormal accumulation of fluid in the cerebral… • HYDROCEPHALUS n. an accumulation of serous fluid within the cranial cavity, also HYDROCEPHALY.
HYDROMEDUSANS	• HYDROMEDUSAN n. a hydromedusa, also HYDROMEDUSA, HYDROMEDUSOID.
HYDROMEDUSOID	• HYDROMEDUSOID n. a hydromedusa, also HYDROMEDUSA, HYDROMEDUSAN.
HYDROQUINONES	• hydroquinones n. Plural of hydroquinone. • HYDROQUINONE n. another name for quinol.
HYDROSULPHATE	• hydrosulphate n. Alternative form of hydrosulfate. • HYDROSULPHATE n. any quaternary acid salt formed by addition of an organic base to sulphuric acid, such as aniline hydrosulphate.
HYDROSULPHIDE	• hydrosulphide n. (Britain) Alternative spelling of hydrosulfide. • HYDROSULPHIDE n. a compound formed by action of hydrogen sulphide on a hydroxide.
HYDROSULPHITE	• hydrosulphite n. Alternative spelling of hydrosulfite. • HYDROSULPHITE n. a salt of hydrosulphurous acid; esp. the sodium salt, used as a reagent.
HYPERPRODUCER	• hyperproducer n. That which hyperproduces. • HYPERPRODUCER n. an agent causing hyperproduction.
HYPOEUTECTOID	• hypoeutectoid adj. Synonym of hypoeutectic. • hypoeutectoid n. A hypoeutectic alloy. • HYPOEUTECTOID adj. of a compound, containing less of the minor component than a eutectic compound.
OPENMOUTHEDLY	• openmouthedly adv. With the mouth open, especially in astonishment. • OPENMOUTHED adv. vociferous.
POLYADELPHOUS	• polyadelphous adj. (Botany) Having stamens combined in more than two groups. • POLYADELPHOUS adj. of stamens, united in several bundles; having the stamens so united.
POLYSULPHIDES	• polysulphides n. Plural of polysulphide. • POLYSULPHIDE n. a sulfide containing two or more atoms of sulfur in the molecule, also POLYSULFIDE.

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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English Wiktionary: 135 words
Scrabble in French: 46 words
Scrabble in Spanish: 2 words
Scrabble in Italian: no word
Scrabble in German: no word
Scrabble in Romanian: no word

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