English dictionary
Hint: Asterisk (*) is a wildcard. Asterisk substitutes zero or more characters.
English noun: protactinium | |||
| 1. | protactinium (substance) a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead | ||
| Synonyms | atomic number 91, Pa, protoactinium | ||
| Broader (hypernym) | metal, metallic element | ||
Based on WordNet 3.0 copyright © Princeton University.
Web design: Orcapia v/Per Bang. English edition: .
2024 onlineordbog.dk
Web design: Orcapia v/Per Bang. English edition: .
2024 onlineordbog.dk