noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Any chemical compound with the empirical chemical formula RSiO_(1.5), where R is either hydrogen or an alkyl, alkene, aryl or arylene group.

Etymology

From silicon + sesqui- + oxygen + -ane.

Related phrases

chemical compoundchemical formula

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