• WordNet 3.6
    • n omission a mistake resulting from neglect
    • n omission neglecting to do something; leaving out or passing over something
    • n omission any process whereby sounds or words are left out of spoken words or phrases
    • n omission something that has been omitted "she searched the table for omissions"
    • ***
Webster's Revised Unabridged Dictionary
    • Omission That which is omitted or is left undone.
    • Omission The act of omitting; neglect or failure to do something required by propriety or duty. "The most natural division of all offenses is into those of omission and those of commission."
    • ***
Century Dictionary and Cyclopedia
    • n omission The act of omitting. A neglect or failure to do something which a person has power to do, or which duty requires to be done; the act of pretermitting or passing over.
    • n omission The act of leaving out: as, the omission of a paragraph in a printed article.
    • n omission That which is omitted or left out.
    • ***
Chambers's Twentieth Century Dictionary
    • n Omission act of omitting: the neglect or failure to do something required: that which is left out
    • ***


  • Michael Monahan
    Michael Monahan
    “In making up the character of God, the old theologians failed to mention that He is of infinite cheerfulness. The omission has caused the world much tribulation.”
  • Peace Pilgrim
    “Most of us fall short much more by omission than by commission. While the world perishes we go our way: purposeless, passionless, day after day.”
  • Theodore Tronchin
    Theodore Tronchin
    “In medicine sins of commission are mortal, sins of omission are venial.”


Webster's Revised Unabridged Dictionary
L. omissio,: cf. F. omission,. See Omit
Chambers's Twentieth Century Dictionary
L. omittĕre, omissumob, away, mittĕre, to send.


In literature:

But what about involuntary crimes of omission?
"The Positive School of Criminology" by Enrico Ferri
This is another circumstance, which reconciles me to the omission.
"The History of the Rise, Progress and Accomplishment of the" by Thomas Clarkson
His political sins, like those of Webster, were sins of omission rather than of commission.
"Beacon Lights of History, Volume XII" by John Lord
He quickly noticed my omission of the homage usually rendered him, and instinct told me, that to a certain extent, it set his heart against me.
"White Jacket" by Herman Melville
This effect is occasioned by the omission of the word "this," or "divine," or the truth "in Christ.
"Coleridge's Literary Remains, Volume 4." by Samuel Taylor Coleridge
Mr. Smith had referred to an omission which prevented him from speaking of the bill as complete.
"The Constitutional History of England From 1760 to 1860" by Charles Duke Yonge
He was early accustomed to accuracy in all his statements, and to speak of his faults and omissions without prevarication or disguise.
"De La Salle Fifth Reader" by Brothers of the Christian Schools
It will be seen further on how this scarcely credible omission was a main factor in deciding their fate.
"The Explorers of Australia and their Life-work" by Ernest Favenc
Defects and omissions have been discovered in their operation that ought to be remedied and supplied.
"A Compilation of the Messages and Papers of the Presidents," by Edited by James D. Richardson
Having indicated clearly what he desires them to do, he avoids interfering except to correct serious errors or omissions.
"Manual for Noncommissioned Officers and Privates of Infantry of the" by War Department

In poetry:

Set forth, in order as they died,
The numerous offspring bend ;
Devoutly kneeling side by side,
As though they did intend
For past omissions to atone,
By saying endless prayers in stone.
"The Squire’s Pew" by Jane Taylor
Sometimes the fault is all our own,
Some blemish in due time made known
By trespass or omission;
Sometimes occasion brings to light
Our friend’s defect, long hid from sight,
And even from suspicion.
"Friendship" by William Cowper
Seen, too clear and historic within us, our sins of omission
Frown when the Autumn days strike us all ruthlessly bare.
They of our mortal diseases find never healing physician;
Errors they of the soul, past the one hope to repair.
"The Main Regret" by George Meredith

In news:

With four decades of hits there were the expected questionable omissions (no Every Picture Tells A Story.
The omission is the growing trend of violent acts at places of worship in this country.
A great sin of cultural omission.
This omission is common enough that it's discussed in a number of usage handbooks.
Rush had long been one of the Hall 's highest-profile omissions, which angered the group's many fans.
Mallinder frustrated by Lee Dickson omission by England.
LAPD chief says omission in news release was a mistake.
Food & Drink Dine & Dash extra: Omission 's secrets.
A father is charged with injury to a child by omission after the body of his infant son was found in a refrigerator at his southwest Houston apartment.
Crimes of Omission in the New Edition.
The sin that GBS is referring to is called the sin of omission and sin it is indeed.
Omission of a Nascar Pioneer Stirs a Debate.
To reflect on my omissions and sins.
Smart moves, sad omissions from Golden Globe 2011 movie noms.
Rock and Roll Hall of Fame: The top 5 biggest omissions.

In science:

But the sample may be biased by the omission of non-RPA correlations in all but a few calculations.
Neutrinoless double beta decay and direct searches for neutrino mass
Due to the intractability of environmentally induced decoherence for such large systems, it is usually extremely difficult to distinguish any genuine state reduction scheme from the effective decoherence resulting from a sub jective omission of the environmental degrees of freedom .
Testing Gravity-Driven Collapse of the Wavefunction via Cosmogenic Neutrinos
For instance, in omission errors, something is left out of the model.
Recommended Practices for Spreadsheet Testing
If there are ten important cost items for a company, and if the developer forgets to put in a row for one of these cost items, this is an omission.
Recommended Practices for Spreadsheet Testing
This was followed by the 44 + 88 MHz front end, except for the omission of the tapered capture solenoid.
Accelerator design concept for future neutrino facilities