Rose bengal
rose bengal rose ben·gal (rōz’ běn-gôl’, běng-, běn’gəl, běng’-)
n.
A bluish-red dye used as a stain for bacteria, as a stain in the diagnosis of keratitis sicca, and in tests of liver function.
Read Also:
- Rose-box  noun 1. a perforated metal box used as a strainer; strum. 
- Rose-breasted grosbeak  [rohz-bres-tid] /ˈroʊzˌbrɛs tɪd/ noun 1. an American grosbeak, Pheucticus ludovicianus, the male of which, in nuptial plumage, has a rose-pink triangular breast patch. 
- Rosebud  noun 1. the bud of a rose. noun 1. the bud of a rose 2. (literary) a pretty young woman rosebud 
- Roseburg  noun 1. a city in W Oregon. 
- Rosebush  noun 1. a shrub that bears roses. 
