D defs.my
Entry 1 sense Webster, 1913

Mutualism

/myo͞och'-o͞o-ŭlˌ-ĭzˌ-əm/ · Mu·tu·al·ism · IPA /ˈmju.t͡ʃu.əˌlɪz.m̩/
01 n. The doctrine of mutual dependence as the condition of individual and social welfare.
  1. 1.
    The doctrine of mutual dependence as the condition of individual and social welfare.(Ethics)