rosetting1
/rə(ʊ)ˈzɛtɪŋ/Chiefly Biology
noun
The occurrence or formation of a rosette or rosettes; an instance of this.
Origin
Late 19th century. Partly from rosette + -ing, and partly (in later use) from rosette + -ing.
rosetting2
/rə(ʊ)ˈzɛtɪŋ/Chiefly Medicine and Botany
adjective
Forming a rosette or rosettes.
Origin
1960s. Partly from rosette + -ing, and partly from rosette + -ing.