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

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There are 19 thirteen-letter words containing D, H, I, 2O, P and Y

DIAPHOTOTROPY	• DIAPHOTOTROPY n. the state of being diaphototropic, turning transversely to the light.
HYDROPEROXIDE	• hydroperoxide n. (Organic chemistry) any mono-substituted derivative of hydrogen peroxide - ROOH. • HYDROPEROXIDE n. a compound containing an O2H group.
HYDROSCOPICAL	• HYDROSCOPICAL adj. relating to a hydroscope, also HYDROSCOPIC.
HYDROTROPISMS	• hydrotropisms n. Plural of hydrotropism. • HYDROTROPISM n. growth in the direction of water.
HYPERBOLOIDAL	• hyperboloidal adj. Having the shape or form of a hyperboloid. • HYPERBOLOIDAL adj. of or like a hyperboloid.
HYPERLORDOSIS	• hyperlordosis n. (Pathology) Particularly severe lordosis.
HYPOCHONDRIAC	• hypochondriac adj. Related to, or affected by hypochondria. • hypochondriac adj. Related to, or located in the hypochondrium. • hypochondriac n. A person affected with hypochondria.
HYPOCHONDRIAS	• hypochondrias n. Plural of hypochondria. • HYPOCHONDRIA n. suffering from imaginary illness.
HYPOCHONDRIUM	• hypochondrium n. (Anatomy) The upper region of the abdomen, below the lower ribs, each side of the epigastrium. • HYPOCHONDRIUM n. either of two regions of the upper part of the abdomen.
HYPOCYCLOIDAL	• hypocycloidal adj. In the form of a hypocycloid. • HYPOCYCLOIDAL adj. of or like a hypocycloid.
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.
HYPOTROCHOIDS	• hypotrochoids n. Plural of hypotrochoid. • HYPOTROCHOID n. the curve traced by a point on the radius, or radius produced, of a circle rolling within another circle.
LIPODYSTROPHY	• lipodystrophy 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.
PHOTODYNAMICS	• photodynamics n. The study of the activating effects of light on living organisms. • PHOTODYNAMICS n. the branch of biology concerned with the effects of light on the actions of plants and animals.
PHYTONADIONES	• PHYTONADIONE n. phylloquinone, vitamin K1.
POLICYHOLDERS	• policyholders n. Plural of policyholder. • policy␣holders n. Plural of policy holder. • POLICYHOLDER n. the owner of an insurance policy.
PSYCHOLOGISED	• psychologised v. Simple past tense and past participle of psychologise. • PSYCHOLOGISE v. to speculate in psychological terms or on psychological motivations, also PSYCHOLOGIZE.
PSYCHOLOGIZED	• psychologized v. Simple past tense and past participle of psychologize. • PSYCHOLOGIZE v. to speculate in psychological terms or on psychological motivations, also PSYCHOLOGISE.
PYRITOHEDRONS	• pyritohedrons n. Plural of pyritohedron. • PYRITOHEDRON n. a pentagonal dodecahedron.

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: 144 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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