The phrase "a break during which" is correct and usable in written English.
It can be used to describe a period of time when an interruption or pause occurs, often followed by an explanation of what happens during that break.
Example: "We will take a break during which we can discuss our ideas and gather feedback from everyone."
Alternatives: "a pause in which" or "a time when".
This prompted a break, during which Vardy studied sports science in Rotherham.
We would have a read-through then take a break, during which showbizzy gossip was exchanged, often about the Carry On films that Williams was doing at the time.
He says that he would occasionally be summoned to be questioned again, and that if he did not co-operate, Liam and Andrew would "take a break", during which time he would again be beaten and threatened with execution.
All that changed after a break during which Hibs introduced Doyle for Paul Cairney.
The two finalists are allowed a break, during which Akeelah overhears Dylan's father harshly pressuring him to win.
We're going to take a break, during which maybe they'll just turn Duffy loose to wander the streets and hopefully sober Hume up a little?
On paper it looks like punishment: an eight-hour stage production (albeit with a dinner break) during which the entirety of a novel (albeit The Great Gatsby) is read aloud and the scene shifts, inexplicably, between a 1980s office setting and the jazz era of the original.
This type of radar transmits a high-frequency impulse signal of high power, followed by a longer break during which the echoes can be received, before a new transmitted signal is sent out.
The first set was decided in a tie break, during which Harrison became piqued when a first serve he hit for a winner was erroneously called out.
Woolard declined an offer of ice for the cheek and took a lunch break, during which he referred to the Hot 97 fallout as "bygones," and cited the wisdom of his character.
But speaking after missing out in South Thanet – almost in the same breath – he dropped a powerful hint that he was not so much resigning as taking a summer break, during which his deputy Suzanne Evans is expected be interim leader.
