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Word info Synonyms

protoactinium

Noun

Meaning

a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead

Source: WordNet

Synonyms

PA protactinium pascal dada pop atomic number 91

Hypernyms

metal metallic element

Close letter words and terms

Proto-Yeniseian Proto-Yukaghir protoacademic protoadditive protoalkaloid protoanalysis