omission

1 ENTRIES FOUND:
omission /oʊˈmɪʃən/ noun
plural omissions
omission
/oʊˈmɪʃən/
noun
plural omissions
Britannica Dictionary definition of OMISSION
1 
[count] : something that has not been included or done : something that has been omitted
2 
[noncount]
a  : the act of not including or doing something — often + of
b  : the state of being not included in something — often + from