The phrase "exceptionally tiny" is correct and usable in written English.
You can use it to describe something smaller than usual or expected. For example, "The bird had exceptionally tiny wings compared to the other species of its kind."
At such close range, the spacecraft were exceptionally sensitive to tiny changes in the moon's gravity caused by buried rocks of different density giving the GRAIL team a picture of the subsurface, and a better idea of how the impact actually went down.
In particle physics everything is teeny-tiny and exceptionally precise.
I am exceptionally fond of the tiniest pasta shapes: the barley shaped orzo and the star-like stelline, so quietly satisfying even in the thinnest of chicken broths.
Meanwhile, alongside affiliate marketing and lead generation, voucher code websites often generate revenue by selling data about the trends and shoppers they collect when you log on and click through, which could include your personal details if you're not exceptionally careful about unclicking those tiny boxes hidden at the bottom of the online form.
Thus, in the near future, we are to choose one of the alternative cases: (1) a case in which SZ should have many susceptibility genes with tiny effects of exceptionally high mutation rates, or (2) a case in which SZ should have many resistance genes of standard mutation rates on different chromosomes associated with SZ itself.
At Barclays, for instance, traders were making big bets on derivatives whose value depended on LIBOR; changing rates by even a tiny bit could be exceptionally lucrative.
Nonetheless, the ride is exceptionally comfortable and well mannered for a tiny roadster, making it a serviceable commuter car.
It is exceptionally efficient at digesting its food, and disgorges only tiny pellets of fragmented bone, fur and feathers.
By contrast, there are unsung talents on the Paris scene like Jean-Paul Lespagnard, whose exceptionally clever cuts created transformable clothes that looked simple on his tiny showroom runway.
