noun, slang ·Moderate ·College level

Definitions

Noun

1. 1
   A buckminsterfullerene molecule (C₆₀). informal
2. 2
   a spheroidal fullerene; the first known example of a fullerene wordnet
3. 3
   The most common types of spheroidal fullerenes, C₆₀ and C₇₀ usually; with C₇₂ and C₇₆ sometimes also included. broadly, informal
4. 4
   Any spheroidal fullerene, from C₂₀ on upwards. broadly, informal

Synonyms

All synonyms

amorphous carbonatomic carbonbuckminsterfullerenebuckminsterfullerenecarbon nanotubecarbyne

Etymology

Blend of buck(minsterfullerene) + -y + ball.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.