資料來源 : pyDict

扁率; 扁球形; 扁圓形

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

Oblateness \Ob*late"ness\, n.
   The quality or state of being oblate.

資料來源 : WordNet®

oblateness
     n : the property possessed by a rounded shape that is flattened
         at the poles; "the oblateness of the planet" [syn: {ellipticity}]