Grüneisen Explained

Grüneisen or Gruneisen is a surname, meaning "green iron" in the German language. Notable people named Grüneisen include:

• Eduard Grüneisen (1877–1949), German physicist and the co-eponym of Mie–Grüneisen equation of state
• Fritz Grüneisen, Swiss footballer
• Sam Gruneisen (1941–2012), American football player and coach