adenosine triphosphate adenosine triphosphate /əˈdɛnəsiːn traɪˈfɑːsfeɪt/

noun

1. A nucleotide derived from adenosine that occurs in muscle tissue; the major source of energy for cellular reactions  ( adenosine triphosphate , ATP )
   a nucleotide derived from adenosine that occurs in muscle tissue; the major source of energy for cellular reactions