synaesthesia
sy·naest·he·sia
noun
1.
a sensation that normally occurs in one sense modality occurs when another modality is stimulated
Origin
From Ancient Greek σύν (sún, “with”) + αἴσθησις (aísthēsis, “sensation”), modelled after anaesthesia. It is analysable as syn- + -aesthesia.
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WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.