shim (noun) filling/filler: something that takes up
Sinonime: bushing, capacity batting, cartridge,
center,
content,
contents, cylinder, dressing,
fill,
guts*, impletion, inlay, innards,
inside,
layer, liner,
mixture,
pack, packing, pad, padding, refill, replenishment, shim, stuffing, wad, wadding
Antonime: emptiness