English to English
protoactinium
(,pr/oU/t/oU//&/k't/I/n/i//@/m
)
noun (n)
- a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into leadsebuah short lived radioaktif unsur uranium dan membentuk logam dari dari ke aluminum dan kemudian ke memimpinsource: wordnet30