protactinium

Questions about protactinium

What is another word for protactinium?

It depends which protactinium you mean. In the sense “a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead”, the synonyms are protoactinium, Pa, atomic number 91. Across all 1 sense there are 3 distinct synonyms, and they are not interchangeable with each other — this page lists them under the sense each one belongs to.

What is the opposite of protactinium?

WordNet records no antonym for protactinium. Antonymy in WordNet is a relation between specific word forms rather than between concepts, so it is recorded only where lexicographers judged the pairing direct. An absence here means none was recorded, not that none can be imagined.

Where do the synonyms for protactinium come from?

From Princeton University's WordNet, a lexical database maintained by lexicographers since 1985. A synonym here means a word form that shares a synset with this word — a set of forms interchangeable in one recorded context. Nothing on this page is generated by a language model.

Other views of protactinium

• Full entry for protactiniumAll 1 sense, with examples, usage labels, syllables and pronunciation.
• Rhymes for protactiniumWhether this word can be rhymed at all — it is not in the pronouncing dictionary.
• Thesaurus homeHow WordNet synsets work, and the collections built for synonym work.