GRAM METHOD

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 Dictionary entry overview: What does Gram method mean? 

• GRAM METHOD (noun)
  The noun GRAM METHOD has 1 sense:

1. 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

  Familiarity information: GRAM METHOD used as a noun is very rare.

 Dictionary entry details 

• GRAM METHOD (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-negative

Classified under:

Nouns denoting acts or actions

Synonyms:

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

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

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