once
Pronunciation:
/wɒn(t)s//wʌn(t)s/adverb
Definitions
(frequency) One and only one time.
Example: I have only once eaten pizza.
(temporal location) Formerly; during some period in the past.
Example: He was once the most handsome man around.
Multiplied by one: indicating that a number is multiplied by one.
Example: Once three is three.
As soon as.
conjunction
Definitions
As soon as; when; after.
Example: Once he is married, he will be able to claim the inheritance.