Assemblage
Part of speech: noun
Definition: A collection of things which have been gathered together or assembled.
Collection
Part of speech: noun
Definition: A set of items or objects procured or gathered together by a person, group, or other agent.Multiple related objects associated as a group.The activity of collecting.
Example sentence: A battery by definition is a collection of cells. So the cell is a little can of chemicals. And the challenge is taking a very high-energy cell, and a large number of them, and combining them safely into a large battery.