How To Spell opsin?
Correct pronunciation for the word "opsin" is [ˈɒpsɪn], [ˈɒpsɪn], [ˈɒ_p_s_ɪ_n].
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Usage over time for opsin:
This graph shows how "opsin" have occurred between 1800 and 2008 in a corpus of English books.
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