Purple is defined as a deep, rich shade between crimson and violet, or, more broadly, as a range of hues of color between blue and red, or as a dark color that is a blend of red and blue.
Dry ice is the solid form of carbon dioxide (CO2), a molecule consisting of a single carbon atom bonded to two oxygen atoms. Dry ice is colorless, non-flammable, with a sour zesty odor, and can lower the pH of a solution when dissolved in water, forming carbonic acid (H2CO3).
Wiktionary(0.00 / 0 votes)Rate this definition: dry ice(Noun) Carbon dioxide frozen in the solid state, used especially as a cooling agent and for the production of fog-like special effects. It sublimes at -78.5u00B0C (-109.3u00B0F) at normal atmospheric pressure.