condensation vs light water

condensation

noun
  • The reaction of two substances with the simultaneous loss of water or other small molecule. 

  • The condensate so formed. 

  • The state of being condensed. 

  • when a single idea (an image, memory, or thought) or dream object stands for several associations and ideas. 

  • The conversion of a gas to a liquid. 

  • The act or process of condensing or of being condensed 

light water

noun
  • Water in its standard form of H₂O, containing two protium hydrogen atoms, as opposed to heavy water. 

  • Foam formed by water and a fluorocarbon surfactant, used in firefighting because it floats on flammable liquids lighter than water. 

How often have the words condensation and light water occurred in a corpus of books? (source: Google Ngram Viewer )