1) DC hockey players 2) DC NHL team 3) UC letters 4) Ammo for some pistols 5) Ammo for toy guns 6) Ammo of a kind 7) Ammo of a sort 8) Ammunition of a sort 9) Ball team wear 10) Ballpark souvenirs 11) Ballplayers wear them 12) Baseball hats 13) Baseball headgear 14) Baseball headwear 15) Baseball toppers Found on https://www.crosswordclues.com/clue/caps
[buffer] CAPS is the common name for ``N``-cyclohexyl-3-aminopropanesulfonic acid, a chemical used as buffering agent in biochemistry. The similar substance N-cyclohexyl-2-hydroxyl-3-aminopropanesulfonic acid (CAPSO) is also used as buffering agent in biochemistry. ... Found on http://en.wikipedia.org/wiki/CAPS_(buffer)
[party] The Caps (Mössorna) were a political faction during the Age of Liberty (1719-1772) in Sweden. The primary rivals of the Caps were known as the Hats. The Hats are actually responsible for the Caps` name, as it comes from a contraction of Night-cap, a name used to suggest that the Caps were the soft and timid party. The Caps represen... Found on http://en.wikipedia.org/wiki/Caps_(party)