Test Your Vocabulary

Take Our 10-Question Quiz

Name That Thing

Take our visual vocab quiz

Test Your Knowledge »

True or False?

A quick quiz about stuff worth knowing

Take It Now »

Join Us on FB & Twitter

Get the Word of the Day and More

Facebook | Twitter

Gram's stain


Gram's stain

noun \ˈgramz-\

Definition of GRAM'S STAIN

1
: a method for the differential staining of bacteria by treatment with a watery solution of iodine and the iodide of potassium after staining with a triphenylmethane dye (as crystal violet) —called also Gram's method
2
: the chemicals used in Gram's stain

Variants of GRAM'S STAIN

Gram's stain or Gram stain \ˈgram-\

Origin of GRAM'S STAIN

Hans C. J. Gram †1938 Danish physician
First Known Use: 1903

Browse

Next Word in the Dictionary: gram–variable
Previous Word in the Dictionary: Gram's method
All Words Near: Gram's stain

Seen & Heard

What made you want to look up Gram's stain? Please tell us where you read or heard it (including the quote, if possible).