deoxidation vs reducer

deoxidation

noun
  • The process of extracting the oxygen content of a dissolved oxide, or of removing dissolved oxygen, with the aid of a reducing agent. 

reducer

noun
  • A reducing agent. 

  • A liquid used in the process of developing a negative to reduce its darkness. 

  • A function that takes state and action as arguments and returns the next state of the app. 

  • A hydraulic device for reducing pressure and hence increasing movement, used to transmit the load from the hydraulic support of the lower shackle to the lever weighing apparatus in some kinds of heavy testing machine. 

  • A component used to connect two pipes of different bores. 

  • Something that reduces. 

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