Omission

Omission is a perfectly good example of an expression technique, and is brought up in many grammar books.

No one shall be held guilty of any penal offence on account of any act or omission which did not constitute a penal offence, under national or international law, at the time when it was committed. Nor shall a heavier penalty be imposed than the one that was applicable at the time the penal offence was committed.

Some English speakers think that omission of the subject does not occur in their language, however, the subject of phrases like "thank you" or "bless you" is omitted.

Tom made one serious omission.

That omission says a lot about his priorities.

As the process of union along the median line may err by a defect or omission, so may it, on the other hand, err by an excess of fulfilment, as, for example, when the urethra, the vagina, or the anus are found to be imperforate.

Analysts, however, say the deliberate omission of separatists from the discussions raises doubts about whether the meetings will ease ethnic tensions threatening to rip the country apart.

U.S. President Barack Obama begins his much-anticipated tour of Africa on June 27 with one glaring omission: the president will not be visiting Kenya, the birthplace of his father.

Scots was not ‘banned’ outright — impossible anyway with so many Scots-speaking teachers but, like Gaelic, marginalised by omission.

E&O insurance (for errors and omissions) covers both errors of commission and errors of omission.