noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A neurological or cognitive phenomenon in which activation of a particular concept triggers a sensory-like experience. uncountable

Etymology

From Ancient Greek ἰδέα (idéa, “notion, pattern”) + -aesthesia, modeled after synaesthesia, and introduced by Danko Nikolić in.

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