Definition of Protactinium

1. Noun. A short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead.

Exact synonyms: Atomic Number 91, Pa, Protoactinium
Generic synonyms: Metal, Metallic Element

Definition of Protactinium

1. Noun. a chemical element (''symbol'' Pa) with atomic number 91. ¹

¹ Source: wiktionary.com

Definition of Protactinium

1. [n -S]

Lexicographical Neighbors of Protactinium

prostrating
prostration
prostrations
prostyle
prostyles
prosuicide
prosumer
prosumers
prosurvival
prosy
prosyllogism
prosyllogisms
prosyllogistic
protactic
protactinium (current term)
protactiniums
protagon
protagonism
protagonist
protagonistic
protagonists
protagons
protamines
protamins
protandry

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