protoactinium

noun

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

Roots

protosproto- · Greek · first, precursor to aktisactin- · Greek · ray, beam ium-ium · Latin · element suffix

Synonyms & related words for protoactinium

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Words related to protoactinium

Explore words related to protoactinium — words associated with it, words that go with it, and its nearest matches in meaning. Related words include protactinium, actinium, unniloctium, radioactinium, ununbium, unununium, masurium, mendelevium. Click any word to make it the center of the map and keep exploring the web of connections.

Where does protoactinium come from?

The word protoactinium breaks down into 3 roots of Greek and Latin origin: proto-, from Greek protos (“first, precursor to”); actin, from Greek aktis (“ray, beam”); and -ium, from Latin ium (“element suffix”). Explore each root to see other English words built from the same source.