Hans C. J. Gram

Found in Anh - Anh (Wordnet)

Definition Proper noun A Danish physician and bacteriologist, best known for developing the Gram stain, a fundamental laboratory technique in microbiology used to classify bacteria into two major groups (Gram-positive and Gram-negative) based on their cell wall properties. Usage This term is used almost exclusively to refer to the historical figure and the staining method named after him. * The...