(physics) a fluid whose stress at each point is not linearly proportional to the strain rate at that point; i.e. its viscosity depends on the applied shear force

(chemistry) Any chemical compound in which the number of atoms of each element is not expressible as the ratio of small integers; normally due to missing atoms in a solid state lattice.

(role-playing games, video games) A character in a role-playing game or computer game whose actions are not controlled by a player.

Alternative spelling of non-governmental organization

(botany) Any plant that does not have a vascular system

A legally constituted non-commercial organization created by natural or legal persons with no participation or representation of any government.

plural of non-maskable interrupt

Any of various small two-winged flies, belonging to the family Chironomidae in the order Diptera.

(law) A doctrine of law holding that a court should decline to hear a case if another court—especially one in a foreign jurisdiction—would provide a more appropriate forum for the parties and evidence.

(law, but also seeing wider use) Insane; not of sound mind; not in control of oneself.