"critical omission" is correct and can be used in written English.
It refers to an important or essential part of a sentence that is missing or has been left out. This phrase can be used in various contexts, such as academic writing, speeches, or even everyday conversations. Example: The speaker's argument seemed strong, but upon further examination, it was revealed that there was a critical omission in their evidence - a key piece of data that completely changed the perspective of the argument.
One critical omission in the latest plan is junk food advertising.
But perhaps the single most critical omission is any real sense of context.
Yet there's a critical omission at work here, and one that exculpates Trump himself from his own cynical and nasty presidential campaign.
China has denounced North Korea's actions, but it has stopped short of saying it will join in any economic sanctions against the country -- a critical omission, because China is one of the North's most important trading partners.
Investigators found that almost every aspect of the plan for the prescribed fire was poorly conceived and carried out, beginning with the critical omission of wind predictions for several days into the burn.
What we don't learn is whether Wagoner was any good at the job he was hired to do — that is, run General Motors — which is a critical omission, because by that criterion Wagoner actually comes off very well.
In every case, the paperwork Transworld submitted to the court had critical omissions or flaws, she said.
When the BEWG was approached for comment on a preliminary energy policy crafted by consultants for the Bermuda Department of Energy, Landsberg quickly saw some critical omissions in the proposal.
The story, it turned out, also carried some critical omissions: It didn't disclose that its author, Jason Kessler, is supportive of white supremacist groups, and on the day of the march had himself made a speech to the protesters in which he praised fascist and racist organizations, thanked a prominent Holocaust denier, and declared the beginnings of a cultural 'civil war.'" [ProPublica].
They were especially critical of the omission or pathologizing of enslaved resistance at schools and historic sites.
But Wellington has been critical of the omission of women from the BBC's national Sport Personality of the Year award.
