Word Study
atomic number 57 |
atomic number 58 |
atomic number 59 |
atomic number 6 |
atomic number 60 |
atomic number 61
| atomic number 62
| atomic number 63
| atomic number 64
| atomic number 65
| atomic number 66
atomic number 61
WORDNET DICTIONARY
Noun atomic number 61 has 1 sense
- atomic number 61(n = noun.substance) pm, promethium - a soft silvery metallic element of the rare earth group having no stable isotope; was discovered in radioactive form as a fission product of uranium; Array is a kind of metal, metallic element
For further exploring for "atomic number 61" in Webster Dictionary Online
