Macchiavello
/ˌmakjəˈvɛləʊ/ /ˌmakɪəˈvɛləʊ/(also Machiavello) Microbiology
noun
Attributive and in the genitive. Used with reference to a technique for staining chlamydiae and rickettsiae employing fuchsin and methylene blue; especially in Macchiavello method, Macchiavello stain.
Origin
1940s. From the name of Atilio MacchiavelloVaras (b. 1902), Chilean bacteriologist, who developed the technique.