Bioko
geographical name
Bi·o·ko
bē-ˈō-(ˌ)kō 
variants
or formerly Fernando Póo
or 1973–79 Macías Nguema Biyogo
island of Equatorial Guinea off the coast of Cameroon in the Bight of Biafra area 779 square miles (2018 square kilometers), population 260,462
Cite this Entry
“Bioko.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Bioko. Accessed 4 Nov. 2025.
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