Waterhouse stop


Definition of Waterhouse stop

: any one of a set of thin metal plates that each have a round or specially shaped hole corresponding to a particular photographic lens aperture and are inserted as required into a slot in the barrel of a lens especially for use in photoengraving

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History and Etymology for Waterhouse stop

after Major J. Waterhouse, 19th century British photochemist

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Cite this Entry

“Waterhouse stop.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Waterhouse%20stop. Accessed 26 Oct. 2020.

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