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 There are 5 fifteen-letter words containing A, M, R, 3T and Y| INSTRUMENTALITY | • instrumentality n. (Uncountable) The quality or condition of being instrumental; serving a purpose, being useful. • instrumentality n. (Countable, law) A governmental organ with a specific purpose.
 • instrumentality n. (Countable) Something that is instrumental; an instrument.
 |  | POSTSTIMULATORY | • poststimulatory adj. After stimulation. • POSTSTIMULATORY adj. following stimulation.
 |  | TETRAMETHYLLEAD | • tetramethyllead n. (Organic chemistry) A compound with chemical formula C4H12Pb, used as an antiknock additive for gasoline. • TETRAMETHYLLEAD n. a volatile poisonous liquid used esp. formerly as an antiknock agent.
 |  | THERMOSTABILITY | • thermostability n. (Uncountable) The condition of being thermostable. • thermostability n. (Countable) The extent to which something is thermostable.
 • THERMOSTABILITY n. the state of being thermostable.
 |  | TRANSMUTABILITY | • transmutability n. The ability to be transmuted. • TRANSMUTABILITY n. the quality of being transmutable.
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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: 71 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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