Plácido's disk

[ plah-si-dohz ]

/ ˈplɑ sɪˌdoʊz /

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noun Ophthalmology.

a device marked with concentric black rings, used to detect corneal irregularities.

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Origin of Plácido's disk

After A. Plácido da Costa (1848–1916), Portuguese ophthalmologist, who devised it

“A guy drives up in a 2008 Mercedes, brand new,” Harry S. Connelly Jr. says in the video, according to the Times.
Are Police Stealing People’s Property?|Joan Blades, Matt Kibbe|January 2, 2015|DAILY BEAST
“Personal hotspots can get speeds of up to 60 Mb/s down, whereas hotel Wi-Fi can be as slow as 1.5 Mb/s,” Sesar said.
How ‘Ethical’ Hotel Chain Marriott Gouges Guests in the Name of Wi-Fi Security|Kyle Chayka|December 31, 2014|DAILY BEAST
In our headlong quest for a legally perfect society, we don’t take the time to take stock of what‘s been created so far.
Red Tape Is Strangling Good Samaritans|Philip K. Howard|December 27, 2014|DAILY BEAST
Divide the dough in half and very gently pat each half into a round 1-inch-thick disk.
Make ‘The Chew’s’ Carla Hall’s Pumpkin Pecan Pie|Carla Hall|December 26, 2014|DAILY BEAST

“The thing [North Korean government] want[s] the most is the non-release of this film,” Schiff said.
Obama Could Hit China to Punish North Korea|Shane Harris, Tim Mak|December 20, 2014|DAILY BEAST
Ajoutez cecy, s'il vous plaist, la grande difficult qu'il y a de tirer d'eux les mots mesmes qu'ils ont.
The Jesuit Relations and Allied Documents, Vol. II: Acadia, 1612-1614|Various
Neantmoins le vieil Membertou, pere du malade, conceut asss l'affaire, et me promit qu'on s'arresteroit tout ce que j'en dirois.
The Jesuit Relations and Allied Documents, Vol. II: Acadia, 1612-1614|Various
En effet un soir, sa femme et enfans l'abandonnerent entierement, et s'en allerent cabaner ailleurs, pensant que c'en estoit vuid.
The Jesuit Relations and Allied Documents, Vol. II: Acadia, 1612-1614|Various
Mrs. S. said she was familiar with it from having heard Thomas's orchestra play it in New York.
Music-Study in Germany|Amy Fay
C'est asss demeur la maison; sortons un peu dehors, comme nous avons promis de faire, et racontons ce qui s'est pass par le pays.
The Jesuit Relations and Allied Documents, Vol. II: Acadia, 1612-1614|Various

Placido's disk

[ plä-sē′dōz ]

keratoscope