資料來源 : Webster's Revised Unabridged Dictionary (1913)

Accumulative \Ac*cu"mu*la*tive\, a.
   Characterized by accumulation; serving to collect or amass;
   cumulative; additional. -- {Ac*cu"mu*la*tive*ly}, adv. --
   {Ac*cu"mu*la*tive*ness}, n.