Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
An oxide containing the anion O₂⁻.
- ‘Catalase acts as a free radical scavenger by neutralizing superoxide radical anion and hydrogen peroxide.’
- ‘When the toxin is exposed to light, it reacts with oxygen to produce superoxide anions and singlet oxygen, which are also known as free radicals.’
- ‘Antioxidants, such as vitamins C and E, and antioxidant enzymes, such as superoxide dismutase and catalase, may play an important role in protecting the pathway.’
- ‘In pure water irradiated by ultrasound under aerobic conditions, it is possible to find free oxygen and hydrogen, hydrogen peroxide and superoxide, nitrous and nitric acids.’
- ‘Although the most common anion formed by oxygen is monatomic, oxygen can also form diatomic ions known as peroxides and superoxides (monovalent).’
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.