A subordinating conjunction used to introduce adverbial clauses of time:
Sue sat quietly and smiled while this was happening.
It also introduces adverbial clauses of concession:
But while this may well provide some help, it will not produce answers.
In the past the form whilst was also widely used. This is less common today.
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A subordinating conjunction used to introduce adverbial clauses of time:
Sue sat quietly and smiled while this was happening.
It also introduces adverbial clauses of concession:
But while this may well provide some help, it will not produce answers.
In the past the form whilst was also widely used. This is less common today.