Meaning & use

omission error

noun·Academictechnical

Last updated

UK/əˈmɪʃn ˌerə/
US/oʊˈmɪʃn ˌerɚ/

Meanings

  1. nouncountable

    A mistake made by leaving out something that should have been included or done, rather than by doing something wrong.

    Grammar: Countable: an omission error, several omission errors.

    Patterns

    • an omission error in something
    • make an omission error

    Forgetting to list a medication on the form was an omission error that could have caused harm.

    The test counted every skipped step as an omission error.

    An omission error occurred when the clerk left one address off the invoice.

  2. nouncountablespecialist

    In research and testing, a failure to respond to a target that was present, so that something that should have been detected is missed.

    Grammar: Countable: the participant made three omission errors.

    Patterns

    • omission errors in a task
    • rate of omission errors

    Participants who were tired made more omission errors in the attention test.

    The pilot study recorded omission errors whenever a target light was ignored.

    A high rate of omission errors may point to problems with attention.

Word forms

pluralomission errors

Common combinations

make an omission error
Nurses can make an omission error when they are interrupted.
avoid omission errors
A checklist helps you avoid omission errors.
omission error rate
The omission error rate fell after training.
commission or omission error
The audit looked for any commission or omission error.
serious omission error
Leaving out the dose was a serious omission error.

Synonyms and how they differ

oversight
Oversight is more general and everyday, while omission error is a more technical term that names the type of mistake.
lapse
A lapse suggests a short failure of memory or attention, and does not imply that something was left out of a record.
slip
A slip is a small, minor mistake and sounds less serious than an omission error.

Opposites

commission error

Word family

omit verb
to leave out
omission noun
something left out
error noun
a mistake
omitted adjective
left out

Commonly confused: omission error or commission error?

omission error vs commission error

A commission error means doing something wrong, while an omission error means failing to do or include something.

Practice

A pharmacist forgets to put a required warning label on a bottle. What kind of mistake is this?

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