noun (n)

• the basic unit of thermodynamic temperature adopted under the Systeme International d'Unites(noun.quantity)

  Synonym:
  k
  

  source: wordnet30
• British physicist who invented the Kelvin scale of temperature and pioneered undersea telegraphy (1824-1907)(noun.person)

  Synonym:
  first baron kelvin, william thompson
  

  source: wordnet30