Standard Lemma guide

unnilquadium

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

Synonym of rutherfordium

Definition source: English Wiktionary via Wiktextract

Usage: dated, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: rutherfordium

Antonyms: none provided

2

noun

Meaning 2

a radioactive transuranic element which has been synthesized

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: rutherfordium, Rf, Unq, element 104, atomic number 104

Antonyms: none provided

Broader terms: chemical element, element

History

Etymology

Systematic element name, from un- + nil- + quad- + -ium.

Across languages

Translations

1 source translations are retained for this English entry.

  • German: Unnilquadium — rutherfordium