synesthesia

1. (chiefly American spelling) Alternative spelling of synaesthesia.Examples: "[…] R. H. Gault's case of synesthesia in a deaf and blind girl, who could distinguish colors by the sense of smell, […]"; "Because of this, SSDs are one of the first technologies to meaningfully demonstrate just what synesthesia – or at least one kind of it – might feel like to those who have never had it."; "[S]ynesthetes themselves can provide the indispensable cues to design a structured qualitative questionnaire: color synesthesias and their variations during sexual arousal, direct physical stimulation, and orgasm […] can help scientists differentiate the specific triggers and their characteristics."USalt-ofalternativecountableuncountable