Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
A rare form of color-blindness resulting from insensitivity to blue light, causing confusion of greens and blues.Compare with protanopia
- ‘Only about 0.005% of the population (male and female) are totally colour blind, and 0.003% have tritanopia, or blue-blindness.’
- ‘With tritanopia, the person is deficient in blue and yellow perception, although he is still sensitive to red and green.’
- ‘Sometimes tritanopia occurs due to disease, because the short wavelength cone is more fragile than the other cone types.’
- ‘A useful tool for reviewing information about color-blindness and checking legibility of images for color-blind users is Vischeck, an on-line tool that simulates the way an image or a website might appear to a user who has deuteranopia, protanopia, or tritanopia.’
- ‘Protanopia, deuteranopia and tritanopia are all types of dichromatism.’
Early 20th century: from trito- third (referring to blue as the third color in the spectrum) + an- without + -opia.
We take a look at several popular, though confusing, punctuation marks.
From Afghanistan to Zimbabwe, discover surprising and intriguing language facts from around the globe.
The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.