Akademik
Black
Douglas
A.K., Scottish
physician
, *1909. See B. formula.
Greene V., U.S.
dentist
, 1836–1915. See B. classification.
* * *
(blak) 1. reflecting no light or true color; of the darkest hue. 2. a dye or stain with this color.
Medical dictionary
.
2011
.