1. identification number a numeral or string of numerals that is used for identification
  2. bank identification number an identification number consisting of a two-part code assigned to banks and savings associations; the first part shows the location and the second identifies the bank itself
  3. identification the act of designating something
  4. personification attributing human characteristics to abstract ideas
  5. personal identification number a number you choose and use to gain access to various accounts
  6. oxidation number the degree of oxidation of an atom or ion or molecule
  7. identification particle a tiny particle of material that can be added to a product to indicate the source of manufacture
  8. registration number the number on the license plate that identifies the car that bears it
  9. edification uplifting enlightenment
  10. justification the act of defending or explaining by reasoning
  11. densification an increase in the density of something
  12. stratification forming or depositing in layers
  13. intensification action that makes something stronger or more extreme
  14. quantification the act of discovering or expressing the quantity of something
  15. authentication validating the authenticity of something or someone
  16. denazification social process of removing Nazis from official positions and giving up any allegiance to Nazism
  17. unification the act of making or becoming a single entity
  18. atomic number quantity of protons in the nucleus of an atom of an element
  19. notification informing by words
  20. index number a number or ratio derived from a series of observed facts

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