ace·to-or·ce·in
| \ ˌa-sə-tō-ˈȯr-sē-ən
, ə-ˌsē-tō-\
: a biological stain consisting of orcein in solution with acetic acid
Root tips were obtained and stained with aceto-orcein, and root tip squashes were performed.— A. Lane Rayburn et al., Crop Science, 27 Oct. 2005