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 There are 4 thirteen-letter words containing A, E, I, 2L, O, S and X| EXTENSIONALLY | • extensionally adv. In terms or by means of extension. • EXTENSIONAL adv. of, relating to, or marked by extension.
 |  | ISOALLOXAZINE | • isoalloxazine n. (Organic chemistry) The tricyclic heterocycle that is the basis of the flavins; any derivative of this compound. • ISOALLOXAZINE n. a yellow solid that is the precursor of various flavins, such as riboflavin.
 |  | LITHOLAPAXIES | • litholapaxies n. Plural of litholapaxy. • LITHOLAPAXY n. the operation of crushing stone in the bladder and working it out.
 |  | POLYSILOXANES | • polysiloxanes n. Plural of polysiloxane. • POLYSILOXANE n. any of a number of polymers which are the basis of silicone chemistry.
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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: 41 wordsScrabble in French: 8 wordsScrabble in Spanish: 6 wordsScrabble in Italian: no wordScrabble in German: no wordScrabble in Romanian: 4 words
 
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