Is “Synaesthesia” a Scrabble word?
Yes
SYNAESTHESIA
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Synaesthesia
/ˌsɪn.ɪsˈθiː.zɪ.ə/
noun
1.A neurological or psychological phenomenon whereby a particular sensory stimulus triggers a second kind of sensation.
2.(by extension) The association of one sensory perception with, or description of it in terms of, a different perception that is not experienced at the same time.
3.A literary or artistic device whereby one kind of sensation is described in the terms of another.