The phrase "collection pile" is grammatically correct and can be used in written English.
It refers to a grouping of items that have been collected or gathered together in a pile or stack. Example: The librarian pointed to a large collection pile of books that needed to be reshelved.
Fig. 17 Ash removal from main street of Jacobacci (9/6/2011); a Bulldozer removing ash from the main street; b Residents sweeping dry ash off roofs with brooms; c Piling ash into collection piles on the road for municipal collection; d People cleaning ashfall from a community playground.
She had stepped onto the runway wearing half of the designers' fall collection piled nomadically on her shoulders, one fox-trimmed maxi-cape short of tipping over, and left wearing the other half.
The spectroscopic response of the detectors to monochromatic X-ray and gamma ray sources (109Cd, 241Am and 57Co), at different temperatures and fluxes (up to 1 Mcps), was measured taking into account the mitigation of the effects of incomplete charge collection, pile-up and high flux radiation induced polarization phenomena.
But one of his passions had turned into something more than another collection piled high in his apartment, and that was streetwear.
You do not have to own the super duper deluxe Harry Potter movie collection, a pile of Fenrir Greyback's chest hair, or anything like that.
He named a collection of piles of metal chains knotted together Calamity Chain; an elaborate line of pearl and sea glass necklaces is called Nouveau Raj.
In a recent interview at his LA studio (a vast warehouse space filled with paintings, dictionaries, record collections, and piles of newspaper and magazine clippings), he was as happy to chat about restoring his model-T Ford as he was about his work for upcoming shows.This homely, laid-back attitude is a central part of Mr Ruscha's art.
The company was using this tactic to maximise collections by piling the pressure on customers, the regulator said.
I keep my collection in a pile, which I relish stacking and unstacking with delight and nostalgia for the good old Pony Express.
There, she takes care of both business and wardrobe concerns; the office plays host to both her hat collection and a pile of changes of clothes.
