1) Chemical reaction 
The term homolysis generally means breakdown (lysis) to equal pieces (homo = same). There are separate meanings for the word in chemistry and biology. == See also == ...[biology] In biology, homolysis means that dividing cell gives two equal-size daughter cells. ...[chemistry] In chemistry, homolysis (from Greek ὅμοιος, homoios, `equal,` and λύσις, lusis, `loosening`) or homolytic fission is chemical bond dissociation of a molecule by a process where each of the fragments retains one of the originally-bonded electrons. During homolytic fission of a neutral molecule with an even number of e...
Lysis of red blood cells by a homolysin and complement. ... (05 Mar 2000) ... 
Type: Term Pronunciation: hō-mol′i-sis Definitions: 1. Lysis of red blood cells by a homolysin and complement.