opisitte
Opisite is a term that appears to be a misspelling or a very obscure word with limited readily available information. Standard dictionaries and encyclopedic sources do not commonly list "opisite" as a recognized term in scientific, historical, or common usage.
It is possible that "opisite" is a phonetic spelling of a word that is spelled differently, or
Alternatively, the word might be a neologism or a fictional term. Without further context or clarification