salt substrate

( n.)

   [MIT]  Collective  noun  used  to  refer  to  potato chips, pretzels,
   saltines,  or  any  other  form of snack food designed primarily as a
   carrier   for  sodium  chloride.  Also  sodium  substrate.  From  the
   technical  term  chip  substrate, used to refer to the silicon on the
   top of which the active parts of integrated circuits are deposited.

[glossary]
[Reference(s) to this entry by made by: {sodium substrate}]