资料来源 : Webster's Revised Unabridged Dictionary (1913)

Ponderosity \Pon`der*os"i*ty\, n.; pl. {Ponderosities}. [OF.
   ponderosit['e].]
   The quality or state of being ponderous; weight; gravity;
   heaviness, ponderousness; as, the ponderosity of gold. --Ray.