Hertzsprung–Russell diagram

noun Hertz·sprung–Rus·sell diagram \ˈhertˌspru̇ŋˈrəsəl-\

Definition of Hertzsprung–Russell diagram

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of hertzsprung–russell diagram

after Ejnar Hertzsprung †1967 Danish astronomer and Henry Norris Russell †1957 American astrophysicist

First Known Use: 1939

Seen and Heard

What made you want to look up Hertzsprung–Russell diagram? Please tell us where you read or heard it (including the quote, if possible).


to criticize severely

Get Word of the Day daily email!