noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The tri-trimethylsilyl-silyl radical ((CH₃)₃Si)₃Si- that forms an extended hemispherical shield especially, in-compounds, uncountable

Etymology

From hyper- + silyl.

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