DuckCorp Dico

Found one definition

1.                 From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
                   
   
   
                   
                     
   indel /ˌɪndˈɛl/
   Insertions-Deletionsmutation <fem>, Indel-Mutation <fem>, Indel
      Synonym: indel mutation
    see: gene mutation, mutation, gene mutations, mutations, deletion mutation, deletion, duplication mutation, duplication, insertion mutation, insertion, inversion mutation, inversion, frameshift mutation, point mutation, substitution mutation, substitution, back mutation, reversion, splicing mutation