DictionaryRoot: dēloun
Greek
dēloun
to reveal, make visible
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adjective / noun
psychedelic
sigh-kuh-DEL-ik/ˌsaɪkəˈdelɪk/
Associated with altered states of perception and consciousness.
Etymology
The pieces suggest “revealing the mind,” reflecting the word’s original application to drugs that produce expanded consciousness. Its use for vivid patterns extends this meaning to things resembling the perceived effects of those drugs.