On its own, the backtick is primarily used in computing, and so doesn’t have an old-timey-English name, nor does the Jargon File mention a Commonwealth Hackish name for it. While there are a variety of other names, I don’t think any of them are specific to the UK
When used with a letter, it marks a grave accent; this was its original purpose on a typewriter
What is the Old Continent name of those: `
On its own, the backtick is primarily used in computing, and so doesn’t have an old-timey-English name, nor does the Jargon File mention a Commonwealth Hackish name for it. While there are a variety of other names, I don’t think any of them are specific to the UK
When used with a letter, it marks a grave accent; this was its original purpose on a typewriter