Hertz·sprung-Rus·sell diagram 
(hĕrts′sprŭng-rŭsəl)
(hĕrts′sprŭng-rŭsəl)n.
A graph of the absolute magnitudes or luminosities of stars plotted against their surface temperatures or colors, used to classify stars by their evolutionary stages.
[After Ejnar Hertzsprung (1873-1967), Danish astronomer, and Henry Norris Russell.]
- elementally
- elementarily
- elementariness
- elementary
- elementary fermion
- elementary particle
- elementary school
- elemi
- Elena
- Eleonora
- elephant
- elephant ear
- elephant folio
- elephant garlic
- elephantiasis
- elephantine
- Elephantine
- elephant in the room
- elephant seal
- elephant's foot
- eletriptan
- Eleusinian
- Eleusinian mysteries
- Eleusis
- vibratile