noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The efficient thermal insulation of a building or system, especially by using multiple layers, or low-conducting fibre. uncountable
2. 2
   A quantum state of zero electrical conductivity (or infinite resistance) - the opposite of superconductivity. uncountable

Etymology

From super- + insulation.

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