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 List of 13-letter words containing •••••Click to add a seventh letter
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 There are 9 thirteen-letter words containing H, 2O, T, X and Y| 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.
 |  | 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. |  | 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.
 |  | HYDROXYLATION | • hydroxylation n. (Organic chemistry) The introduction of a hydroxyl group into a molecule, especially by the replacement… • HYDROXYLATION n. the act of hydroxylating.
 |  | 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.
 |  | PHOTOTOXICITY | • phototoxicity n. Any adverse effect due to exposure to light, especially such effects on the skin. • PHOTOTOXICITY n. the state of being phototoxic.
 |  | PHYTOTOXICITY | • phytotoxicity n. (Uncountable) The condition of being phytotoxic. • phytotoxicity n. (Countable) A measure of the extent to which something is phytotoxic.
 • PHYTOTOXICITY n. the state of being phytotoxic.
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 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.
 
 See this list for:English Wiktionary: 70 wordsScrabble in French: 5 wordsScrabble in Spanish: no wordScrabble in Italian: no wordScrabble in German: no wordScrabble in Romanian: no word
 
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