Meaning

• A virtual member function of a class.

Meaning

• In effect or essence, if not in fact or reality; imitated, simulated.

  "In fact a defeat on the battlefield, Tet was a virtual victory for the North, owing to its effect on public opinion."

• Having the power of acting or of invisible efficacy without the agency of the material or measurable part; potential.

• Nearly, almost. (A relatively recent development in meaning)

  "The angry peasants were a virtual army as they attacked the castle."

• Simulated in a computer or online.

  "The virtual world of his computer game allowed character interaction."

• Operating by computer or in cyberspace; not physically present.

  "a virtual assistant; a virtual personal trainer"

• (of a class member) Capable of being overridden with a different implementation in a subclass.

• Pertaining to particles in temporary existence due to the Heisenberg uncertainty principle.