Plácido's disk

[ plah-si-dohz ]

/ ˈplɑ sɪˌdoʊz /

Save This Word!

noun Ophthalmology.

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

QUIZ

ALL IN FAVO(U)R OF THIS BRITISH VS. AMERICAN ENGLISH QUIZ

There's an ocean of difference between the way people speak English in the US vs. the UK. Are your language skills up to the task of telling the difference? Let's find out!

Question 1 of 7

True or false? British English and American English are only different when it comes to slang words.

true

false

TAKE THE QUIZ TO FIND OUT

Origin of Plácido's disk

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

Words nearby Plácido's disk

placet, place value, placid, placidity, placidly, Plácido's disk, Placidyl, placing, plack, plackart, placket

How to use Plácido's disk in a sentence

“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