From Longman Dictionary of Contemporary EnglishPrimusPri‧mus /ˈpraɪməs/ (also Primus stove) noun [countable]  trademark British EnglishDLO a small stove (=a piece of equipment for cooking) that burns oil and can be easily carried around, used especially when camping
                                                    
                                                Examples from the Corpus
Primus• And they didn't have a Primus.• Fuel life: a Primus 2207 cartridge lasted 145 minutes full output setting.• On the shelf itself there stood a Primus stove, a saucepan and a half-full bottle of milk.• Top: the Primus 2246 Super Trekker. 
