The phrase "a omission" is not correct in English.
It should be "an omission" due to the vowel sound at the beginning of "omission." You can use it when referring to something that has been left out or excluded.
Example: "The report had an omission that affected the overall conclusions drawn."
Alternatives: "a gap" or "a lapse".
The following control procedures were included to verify the specificity of the antibodies: (a) omission of primary antibody, (b) replacement of primary antisera with 1% BSA, (c) omission of secondary antibody, and (d) preadsorption of diluted primary antibody for LH with either salmon pituitary gland LH or human pituitary gland LH (Sigma, USA) at 10−5 M for 24 h prior to incubation.
Two control procedures were performed according to the same experimental protocol: (a) omission of the primary antibody and (b) substitution of the primary antibody with an autologous preimmune serum.
The following controls were performed: (a) omission of the primary antibody; (b) substitution of the primary antiserum with non-immune serum diluted 1: 500 in blocking buffer; (c) addition of the target peptide used to produce the antibody (10−6 M); no immunostaining was observed after any of the control procedures.
The test assesses four major outcomes: a) omission errors (failure to respond to targets; a measure of inattention); b) commission errors (responding erroneously to nontargets; a measure of impulsivity); c) response time for correct responses; and d) the standard deviation of these response times (response time variability; a measure of consistency of attention).
"There have been some questions about whether this was an omission or a message," he commented.
A line in a bill here or an omission there.
But that's more of a legal/patenting issue than an omission by universal adapter manufacturers.
Assault requires a positive act, not an omission.
In fact, I do think there's an omission that's becoming a glaring one: Samsung.
"Perhaps this is an omission that will be corrected in a later draft," Lawfare writes.
There was an omission, however.
