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5 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典


From: Taiwan MOE computer dictionary

 效用; 有效性

From: Network Terminology

 有效 效用

From: Webster's Revised Unabridged Dictionary (1913)

 Ef·fect·ive·ness, n. The quality of being effective.

From: WordNet (r) 2.0

      n 1: power to be effective; the quality of being able to bring
           about an effect [syn: effectivity, effectualness, effectuality]
           [ant: ineffectiveness]
      2: capacity to produce strong physiological or chemical
         effects; "the toxin's potency"; "the strength of the
         drinks" [syn: potency, strength]