hylozoismPronunciation: /ˌhʌɪlə(ʊ)ˈzəʊɪz(ə)m/Definition of hylozoism noun [mass noun] Philosophy the doctrine that all matter has life. Origin: late 17th century: from hylo- 'matter' + Greek zōē 'life'hylozoism in other Oxford dictionaries Definition of hylozoism in the US English dictionary