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

Nontoxic \Non*tox"ic\, a.
   Not toxic.

资料来源 : WordNet®

nontoxic
     adj 1: not producing or resulting from poison [syn: {atoxic}] [ant:
             {toxic}]
     2: safe to eat [syn: {nonpoisonous}]