styrofoam

noun

1. (countable, uncountable)Expanded polystyrene foam, such as is used in cups and packaging.

   “A while ago I read your column concerning the effects of hot tea on styrofoam cups.”

   “In the past two years, NASA’s Kepler Space Telescope has located nearly 3,000 exoplanet candidates ranging from sub-Earth-sized minions to gas giants that dwarf our own Jupiter. Their densities range from that of styrofoam to iron.”

   “Expanded polystyrene foam—commonly, although incorrectly, called Styrofoam—has been the subject of a protracted battle between New York City officials and large industry players, particularly Dart.”