Ricco's law

noun
Ric·​co's law | \ ˈrik-ōz- How to pronounce Ricco's law (audio) \

Medical Definition of Ricco's law

: a statement in physiology: when a light source of a given size and intensity is just capable of producing visual sensation, reduction of either size or intensity will make it invisible

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“Ricco's law.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Ricco%27s%20law. Accessed 5 Dec. 2020.

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