资料来源 : pyDict

无重量性,极轻,无法测知的性质或状态

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

Imponderability \Im*pon`der*a*bil"i*ty\, n. [Cf. F.
   impond['e]rabilit['e].]
   The quality or state of being imponderable; imponderableness.