H-R diagram
/eitʃˈaː ˌdʌɪəɡram/Astronomy
noun
= Hertzsprung–Russell diagram.
Origin
1930s. From the initial letters of Hertzsprung–Russell + diagram, as shortened form of Hertzsprung–Russell diagram.
- month-long
- monthly
- monthly meeting
- monthly nurse
- monthly rose
- month name
- month's mind
- Montian
- monticellite
- Monticello
- monticle
- monticule
- monticuliporoid
- monticulus
- montigenous
- Montilla
- Montmartre
- montmartrite
- montmorillonite
- montmorillonite group
- montmorillonitic
- montmorillonoid
- montology
- Montonero
- Montparnasse