The phrase "as confined in a" is correct and usable in written English.
It can be used when referring to something that is limited or restricted within a specific context or framework.
Example: "The results of the study were as confined in a narrow scope, focusing only on urban populations."
Alternatives: "as limited in a" or "as restricted in a".
She saw early feminists as confined in their scope and bounded by social forces of Puritanism and capitalism.
Named Cher Bear, she stands at the fence line and sways back and forth for hours on end, as if confined in a tight cage, which the bear attendant explains had been her fate in Ohio before being let loose in Bearizona.
Room, written by Irish-Canadian novelist Emma Donoghue and loosely inspired by the Josef Fritzl kidnapping case, was a Man Booker shortlistee, and has provided another stellar female role, this time for Brie Larson as a woman confined in a small room with her young son.
Texan Hassan Touray, who had established a digital identification software company in his homeland, was held at the oppressive Mile Two prison where as many as 20 inmates are often confined in a single 8 foot by 10 foot cell with no toilet.
This show-stopping, meandering, bean-shaped object comes to life with a projection of peculiar "next of kin" faces, which discreetly glance at each other as if they were confined in a magic bottle as prescription pills, cheek to cheek, while whispering in a clandestine language.
I envision the layover in the airport as something like being confined in a bad relationship where everything is too well known and too small.
In such a hole, roots grow round and round just as if they were confined in a pot, and the plant eventually strangles itself.
Detained at the airport when his green card was exposed as fake, he was confined in a youth center in Pennsylvania before the place was closed in an abuse scandal.
"In the history of New Jersey, no woman pretrial detainee or prisoner has ever been treated as she was, continuously confined in a men's prison, under 24-hour surveillance, without adequate medical attention and exercise," he says.
But they insist that their motive is humanitarian — to protect and resettle about 3,400 members of the group, known as the M.E.K., now confined in a camp in Iraq.
