decayon Upper intermediatealso onBasic words (BNC)? CEFR Mastery level (C2)? Academic Vocabulary List (AVL)? Band 3 (BND3)? اضمحلال,انحلال,تآكل,تدهور, تآكل,تفتت,ضعف,وهن decay decay(noun) اضمحلال,انحلال,تآكل,تدهور decay decay(verb) تآكل,تفتت,ضعف,وهن decaying decaying(adjective) متحلل,متهالك decayed decayed(adjective) فاسد,متآكل Forms nounverbadjective decay decay decaying decayed