Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
Paper stained with litmus which is used to indicate the acidity or alkalinity of a substance. Blue litmus paper turns red under acid conditions, and red litmus paper turns blue under alkaline conditions.
- ‘The law, therefore, is unreliable sociological litmus paper.’
- ‘Test pH with an inexpensive soil testing kit available at hardware and lawn and garden centers, or with litmus paper sold at drugstores.’
- ‘Acids are typically corrosive, sour to the taste, turn litmus paper red, react with some metals to liberate hydrogen, and neutralize bases.’
- ‘To test pH, you can get a digital meter for about $50, or you can get litmus paper or a dropper kit like the ones used for pools.’
- ‘Consider a case in which the law ‘all blue litmus paper turns red in acid solution’ is tested by placing a piece of paper in a liquid.’
- ‘‘The litmus paper is still the litmus paper,’ he enunciated in the formal manner of the lecturer.’
- ‘Earth's greatest scientists work around the clock to avert disaster, finally resolving the problem with the careful use of test tubes, Bunsen burners, and litmus paper.’
- ‘Blue litmus paper turns red in acidic solution, and red litmus paper turns blue in basic solution.’
- ‘We might, for example, give up the claim that this liquid is an acid, or the claim that this is a piece of litmus paper, or the claim we are not hallucinating, etc.’
- ‘Contrast the two general statements: that blue litmus paper dipped in acid turns red; and that all the coins in my pocket are pound coins.’
- ‘A few weeks later, so did the litmus paper in one of his urine tests.’
- ‘When adequately lavaged use litmus paper to ensure that eye pH is neutral immediately after the lavage is completed and again 10 minutes later.’
- ‘Making litmus paper change colour was uninspiring and dissecting enormous rats was a lesson more steeped in butchery than anatomy.’
- ‘A litmus paper can be used to find out whether the soil is acidic, alkaline or neutral.’
litmus paper/ˈlitməs ˌpāpər/
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.