What does Neisseria gonorrhoeae Gram mean?

Neisseria gonorrhoeae gram refers to a staining method for Neisseria gonorrhoeae. Gram staining is a staining method invented by a Danish scholar. When a certain chemical agent is applied to the surface of a bacterium, it can normally appear blue and red. When the solution makes the surface of the bacterium blue, the bacterium is called gram positive. If the bacterium is red under the action of the solution, the bacterium is called gram negative. Neisseria gonorrhoeae in the role of this potion, can show a red situation, so normal can be said that Neisseria gonorrhoeae is a gram-negative diplococcus.