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Hasil cari dari kata atau frase: protoactinium(0.00920 detik)
Found 1 items, similar to protoactinium.
English → English (WordNet)
Definition: protoactinium
protoactinium
n : a short-lived radioactive metallic element formed from
uranium and disintegrating into actinium and then into
lead [syn: protactinium, Pa, atomic number 91]