Associations to the word «Protoactinium»
Noun
Adjective
| 1 |
Wiktionary
PROTOACTINIUM, noun. Alternative form of protactinium (dated)
Dictionary definition
PROTOACTINIUM, noun. A short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead.
Wise words
The chief virtue that language can have is clearness, and
nothing detracts from it so much as the use of unfamiliar
words.