[ ˌsɪnɪs'θi:zɪə ]
( US synesthesia )
■ noun Physiology & Psychology the production of a sense impression relating to one sense or part of the body by stimulation of another sense or part of the body.
Derivatives
synaesthete sɪn'i:sθi:t , -'ɛs- noun
synaesthetic adjective
Origin
C19: mod. L., from syn- , on the pattern of anaesthesia .