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 There are 11 thirteen-letter words containing 2A, H, 2O, T and U| AUTHORISATION | • authorisation n. Alternative spelling of authorization. • AUTHORISATION n. the act of authorising, also AUTHORIZATION.
 |  | AUTHORIZATION | • authorization n. (Uncountable) Permission. • authorization n. (Countable) An act of authorizing.
 • authorization n. (Countable) (A document giving) formal sanction, permission or warrant.
 |  | AUTOBIOGRAPHY | • autobiography n. (Countable) A self-written biography; the story of one’s own life. • autobiography n. (Uncountable) Biographies of this kind regarded as a literary genre.
 • AUTOBIOGRAPHY n. the biography of a person narrated by himself or herself.
 |  | AUTOCEPHALOUS | • autocephalous adj. (Christianity, of a church) Fully independent of the authority of any other church. • autocephalous adj. (Christianity, of a bishop) Presiding over an autocephalous church.
 • autocephalous adj. (Comparable) Independent; self-directed.
 |  | HAEMATOGENOUS | • haematogenous adj. Producing blood. • haematogenous adj. Spread by blood.
 • HAEMATOGENOUS adj. relating to haematogenesis, the production of blood, also HEMATOGENOUS.
 |  | HEMATOPHAGOUS | • hematophagous adj. (American spelling) Alternative form of haematophagous. • HEMATOPHAGOUS adj. of certain animals, feeding on blood, also HAEMATOPHAGOUS.
 |  | MONOTHALAMOUS | • monothalamous adj. (Botany) Whose spikelets are all similar. • monothalamous adj. (Zoology) Having a single chamber.
 • MONOTHALAMOUS adj. of an animal or protist, having a shell, test, or skeleton with a single chamber.
 |  | PHONAUTOGRAPH | • phonautograph n. (Historical) A device for recording sound vibrations in a visible form. • PHONAUTOGRAPH n. an instrument for recording sound vibrations.
 |  | POLYTHALAMOUS | • polythalamous adj. (Zoology) Having many chambers. • POLYTHALAMOUS adj. having many chambers.
 |  | SAUROGNATHOUS | • saurognathous adj. (Zoology) having the bones of the palate arranged as in saurians, the vomer consisting of two lateral… • SAUROGNATHOUS adj. having a lizard-like arrangement of the palate-bones (as e.g. woodpeckers).
 |  | TAUTOPHONICAL | • tautophonical adj. Pertaining to, or characterized by, tautophony; repeating the same sound. • TAUTOPHONICAL adj. relating to tautophony, also TAUTOPHONIC.
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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.
 
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