Gram staining
microbiological method for identification; method of staining used to differentiate bacterial species into two large groups (gram-positive and gram-negative)
en-US/ɡɹɑm ˈsteɪnɪŋ/
en-GB/ˈɡɹæm ˈsteɪnɪŋ/
microbiological method for identification; method of staining used to differentiate bacterial species into two large groups (gram-positive and gram-negative)