Plácido's disk
[ plah-si-dohz ]
/ ˈplɑ sɪˌdoʊz /
noun Ophthalmology.
a device marked with concentric black rings, used to detect corneal irregularities.
QUIZZES
DISCOVER THE INFLUENCE OF PORTUGUESE ON ENGLISH VIA THIS QUIZ!
We’ve gathered some interesting words donated to English from Portuguese … as well as some that just don’t translate at all. Do you know what they mean?
Question 1 of 11
Which of the following animal names traces its immediate origin to Portuguese?
Origin of Plácido's disk
After A. Plácido da Costa (1848–1916), Portuguese ophthalmologist, who devised it
Words nearby Plácido's disk
place setting, placet, place value, placid, placidly, Plácido's disk, Placidyl, placing, plack, plackart, placket
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Medical definitions for Plácido's disk
Placido's disk
[ plä-sē′dōz ]
n.
keratoscope
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.