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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Received-Pronunciation:/ˌbʌk.mɪns.təˈfʊ.lə.ɹiːn/
General-American:/ˌbʌk.mɪns.təɹˈfʊ.lə.ɹin/
US:Recorded audio is listed in the source snapshot.
rhymes with -ʊləɹiːn
1
noun
Meaning 1
An allotrope of carbon with the formula C60, consisting of a hollow molecule with 60 atoms arranged in a truncated icosahedron structure; the smallest of the fullerenes.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: buckyball, footballene
Antonyms: none provided
2
noun
Meaning 2
a spheroidal fullerene; the first known example of a fullerene
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: buckyball
Antonyms: none provided
Broader terms: fullerene
History
Etymology
From Buckminster + Fuller + -ene, named after Buckminster Fuller, inventor of the geodesic dome.