vergency

noun
ver·​gen·​cy | \ -nsē, -si \
plural -es

Definition of vergency

1 obsolete : the act or process of verging, approaching, or bordering on something : tendency, inclination
2 : a measure of convergence or divergence of a pencil of rays entering or issuing from a lens or mirror that is expressed as the reciprocal of the distance from lens or mirror to the focus of the rays and for rays through a principal focus is equal to the focal power of the lens or mirror

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History and Etymology for vergency

verge entry 3 + -ency

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Dictionary Entries Near vergency

vergeboard

vergency

verge on/upon

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Cite this Entry

“Vergency.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vergency. Accessed 23 Sep. 2021.

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