(n) a staining technique used to classify bacteria; bacteria are stained with gentian violet and then treated with Gram's solution; after being decolorized with alcohol and treated with safranine and washed in water, those that retain the gentian violet are Gram-positive and those that do not retain it are Gram-negative, Syn.Gram method, Gram's procedure, Gram stain, Gram's stain
[Gé lán shì, ㄍㄜˊ ㄌㄢˊ ㄕˋ, 革兰氏 / 革蘭氏] Mr Gram; Dr. Hans Christian Jaochim Gram (1953-1938), Danish doctor and inventor of the Gram stain 革蘭氏染色法|革兰氏染色法 [Add to Longdo]
[Gé lán shì yīn xìng, ㄍㄜˊ ㄌㄢˊ ㄕˋ ㄧㄣ ㄒㄧㄥˋ, 革兰氏阴性 / 革蘭氏陰性] Gram negative (bacteria that do not retain Gram stain, often the more dangerous kind) [Add to Longdo]
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