资料来源 : pyDict

明确;清楚

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

Definiteness \Def"i*nite*ness\, n.
   The state of being definite; determinateness; precision;
   certainty.

资料来源 : WordNet®

definiteness
     n : the quality of being predictable with great confidence [syn:
          {determinateness}]