Definition of "once"
- adverb
One and only one time.
Formerly; during some period in the past.
Multiplied by one: indicating that a number is multiplied by one.
- conjunction
As soon as; when; after.
- Sources
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One and only one time.
Formerly; during some period in the past.
Multiplied by one: indicating that a number is multiplied by one.
As soon as; when; after.