Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. A condition in which one type of stimulation evokes the sensation of another, as when the hearing of a sound produces the visualization of a color.
- n. A sensation felt in one part of the body as a result of stimulus applied to another, as in referred pain.
- n. The description of one kind of sense impression by using words that normally describe another.
Century Dictionary and Cyclopedia
- n. See synæsthesia.
Wiktionary
- n. alternative spelling of synaesthesia.
WordNet 3.0
- n. a sensation that normally occurs in one sense modality occurs when another modality is stimulated
Examples
“The stimulation of one sense by another sense is called synesthesia, from the Greek syn (together) and aisthanesthai (perceive).”
“Your mileage may vary; please consult your doctor to see if synesthesia is right for you. bj Says:”
“They don't need me (beyond my participation in synesthesia research, as a subject).”
“I've come across the word synesthesia a few times this week but I'm not sure it covers it.”
The Editor and the Curator (Or the Context Analyst and the Media Synesthete) | Tomorrow Museum
“If synesthesia is part of your normal state of consciousness, LSD and other psychedelics are likely to result in temporary loss of synesthesia.”
“Hi there, really enjoyed reading your blog, im really interested in synesthesia and find it incredibly intriguing.”
“Currently, synesthesia is something likely to be gotten wrong.”
“By presenting standardized procedures for testing and comparing subjects, this endeavor hopes to speed scientific progress in synesthesia research.”
“The condition of synesthesia is interesting in that there are lots of twisted sensory descriptions like "the horrible smell of purple" and "the ring of the telephone feeling like burlap.”
REVIEW: Science Fiction: The Best of 2003 edited by Haber and Strahan
“This powerful cross-sensory phenomenon is known as synesthesia.”
Lists
These user-created lists contain the word ‘synesthesia’.
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G[r]eek
A collection of words found in English that are either purely Greek or have Greek etymology.
Please add with caution and certainty. Will be regularly updated by me.etymology, philosophy, laconic, disharmony, patriarchic, archaic, phlogiston, aether, aeon, angel, arachnid, rhythm and 322 more...
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Psychology
stockholm syndrome, stereotype, ergonomics, human-computer in..., prejudice, neo-luddism, stress, trauma, psychopathology, psychotic, neurosis, depression and 180 more...
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wordlist
collabulary, concretize, cuspy, fecund, glory hole, kung fu, miasma, ninjitsu, panacea, rubric, snarky, synesthesia and 13 more...
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disorder (psychological)
various psychological disorders, imbalances. supposed reasons for the mentally insane. crazy talk yo.
loosely connected to traits (bad)
( randomness, descriptive, psycho...crazy, schizophrenia, narcissism, obsessive compulsion, anxiety, attention deficit, depression, bipolar, mania, synesthesia, psychosis, autism and 8 more...
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Sci-tech
cicatrix, senescence, varicose, gestalt, glossolalia, synesthesia, hypolactasia, hemoglobin, ametabolic, eutrophic, eutrophication, cryptid and 9 more...
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demiscient
words which are homophonous/homonymous with or very similar to science jargon, but which are not.
I'm not sure how many of these there are, but I found two shocking examples today.meiosis, paradiastole, colon, synesthesia, zoomorphism, chiasmus, idempotency, catalexis, prolepsis

sionnach Younger sibling, Cynthia, to Ana, or Anaesthesia, sleepy pretender to the Romanoff throne. Apr 28, 2008
chained_bear see also synaesthesia. Oct 18, 2007