spacefiller

EnglishEdit

EtymologyEdit

space +‎ filler

NounEdit

spacefiller ‎(plural spacefillers)

  1. (philately) A stamp in poor condition used to fill a space in an album until a better quality example becomes available, or if the better example is prohibitively expensive.
  2. (cellular automata) A pattern that grows quadratically by filling space with still life.