List of 13-letter words containing ••••

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There are 17 thirteen-letter words containing E, H, T, X and Y

ARCHAEOPTERYX	• archaeopteryx n. Alternative spelling of archeopteryx. • Archaeopteryx prop.n. A taxonomic genus within the family Archaeopterygidae – known from fossils and widely accepted as the… • archæopteryx n. Rare spelling of archeopteryx.
CHEMOTAXONOMY	• chemotaxonomy n. (Biochemistry, genetics) The classification or taxonomy of organisms based on differences and similarities… • CHEMOTAXONOMY n. the classification of plants and animals based on similarities and differences in biochemical composition.
ETHOXYETHANES	• ethoxyethanes n. Plural of ethoxyethane. • ETHOXYETHANE n. a type of ether, aka diethyl ether, an isomer of butanol.
EXHAUSTLESSLY	• exhaustlessly adv. Without running out or coming to an end. • EXHAUSTLESS adv. inexhaustible.
EXOTHERMICITY	• exothermicity n. (Chemistry, physics, uncountable) The quality or state of being exothermic. • exothermicity n. (Countable) The release of heat during an exothermic reaction. • EXOTHERMICITY n. the state of being exothermic.
HAEMATOXYLINS	• haematoxylins n. Plural of haematoxylin. • HAEMATOXYLIN n. a dye obtained from logwood, also HEMATOXYLIN.
HAEMATOXYLONS	• HAEMATOXYLON n. any thorny leguminous tree of the genus Haematoxylon, esp. the logwood, of tropical America and SW Africa, the heartwood of which yields the dye haematoxylin.
HEXADACTYLOUS	• hexadactylous adj. (Zoology) Having six fingers or toes. • HEXADACTYLOUS adj. having six fingers, also HEXADACTYLIC.
HOMOSEXUALITY	• homosexuality n. The state of being sexually attracted primarily or exclusively to persons of the same sex, sometimes… • homosexuality n. Sexual activity with a person of the same sex, sometimes (potentially offensive) restricted to same-sex… • HOMOSEXUALITY n. the state of being homosexual.
HYDROTHORAXES	• hydrothoraxes n. Plural of hydrothorax. • HYDROTHORAX n. water liquid in the pleural cavity.
HYDROXYACETIC	• HYDROXYACETIC adj. as in hydroxyacetic acid, another name for glycolic acid.
HYPEREXTENDED	• hyperextended adj. Extremely long; extended greatly. • hyperextended v. Simple past tense and past participle of hyperextend. • HYPEREXTEND v. to extend so that the angle between bones of a joint is greater than normal.
HYPOXANTHINES	• hypoxanthines n. Plural of hypoxanthine. • HYPOXANTHINE n. a purine base found in plant and animal tissues that yields xanthine on oxidation.
INEXHAUSTIBLY	• inexhaustibly adv. In an inexhaustible manner. • inexhaustibly adv. To an inexhaustible degree. • INEXHAUSTIBLE adv. not exhaustible.
METHOXYCHLORS	• METHOXYCHLOR n. a relatively nontoxic organochlorine insecticide.
ORTHOPYROXENE	• orthopyroxene n. (Mineralogy) Any pyroxene that forms orthorhombic crystals. • ORTHOPYROXENE n. a member of the pyroxene group of minerals having an orthorhombic crystal structure, such as enstatite and hypersthene.
TACHYPHYLAXES	• tachyphylaxes n. Plural of tachyphylaxis. • TACHYPHYLAXIS n. very rapid development of tolerance or immunity to the effects of a drug.

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: 151 words
Scrabble in French: 12 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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