These example sentences are selected automatically from various online news sources to reflect current usage of the word 'phi.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
15th century, in the meaning defined above
Middle Greek, from Greek phei
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“Phi.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/phi. Accessed 3 Mar. 2021.
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