"passing curiosity" is a correct and usable phrase in written English.
You can use it to describe a fleeting interest in something. For example, "She had a passing curiosity in the new product, but not enough to buy it."
The Somalis looked at me with passing curiosity.
And until his run for president, he showed passing curiosity about the world.
Now, this was hardly a rigorous scientific trial, just a rough-and-ready experiment to satisfy passing curiosity.
This history adds symbolic weight to stories that might otherwise inspire only passing curiosity — like, say, the one about the black Harvard professor who was suspected of breaking into his own house.
I ask not as one "well versed in classical music" but as a representative of "those who feel passing curiosity about this obscure pandemonium on the outskirts of culture".
It's perhaps of passing curiosity to pure Internet startups, but it's interesting to note that Belgium-based startup Specle has secured first round funding of £150,000 in an investment lead by Avonmore Developments, which has previously invested in UK Internet startup GroupSpaces.
With 24 years of data, Bob reveals as much about my literary foibles, passing curiosities and guilty pleasures as any other diary.
The best way to build a rich mental database that will help you solve problems later is to honor passing curiosities.
Passing curiosities elevated to crusades, "wellness" and GMO awareness and Making a Difference.
My colleague pointed out in passing a curiosity he had noted while researching the piece.
Moroccan guidebooks written before the late 1970s only mentioned Asilah in passing, usually as a curiosity.
