Do you know your seitan from your sosage? Are you a vegangelist who thinks tofurkey (a turkey alternative, made from vegetable protein) is a valuable addition to the English language?

Or do you think that the rising popularity of plant-based diets has gone far enough, without it also desecrating the way we speak? If so, the latest version of Collins dictionary may not be for you.

New words have been added to the online edition reflecting the increasing number of vegans in the UK. They include veganaise, an egg-free substitute for mayonnaise, and seitan, a meat substitute made from wheat gluten.

Collins, which uses a search engine called Corpus to determine the use and popularity of words, including on social media, said the use of