Library / English Dictionary

    GRAM METHOD

    Pronunciation (US): Play  (GB): Play

     I. (noun) 

    Sense 1

    Meaning:

    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-negativeplay

    Synonyms:

    Gram's method; Gram's procedure; Gram's stain; Gram method; Gram stain

    Classified under:

    Nouns denoting acts or actions

    Hypernyms ("Gram method" is a kind of...):

    staining ((histology) the use of a dye to color specimens for microscopic study)

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