English to English

noun (n)

• a factor in a given situation whose bearing and importance is not apparent

  faktor dalam situasi tertentu yang berpengaruh dan penting bukan ketara

  Example:
  I don't know what the new man will do; he's still an unknown quantity.
  

  source: wordnet30
• a variable whose values are solutions of an equation

  variabel yang nilai solusi dari persamaan

  Synonym:
  unknown
  

  source: wordnet30