Meaning of VIRTUAL in English

I. ˈvərch(ə)wəl, ˈvə̄ch-, ˈvəich-, -chəl adjective

Etymology: Middle English, from Medieval Latin virtualis, from Latin virtus strength, virtue + -alis -al — more at virtue

1. obsolete : of, relating to, or possessing a power of acting without the agency of matter

2. : notably effective

3. : being functionally or effectively but not formally of its kind

a virtual certainty

the virtual abdication of parents from their role as educators — Dorothy Barclay

II. adjective

1. : of, relating to, or being a hypothetical particle whose existence is inferred from indirect evidence

virtual photon

2. : of, relating to, or using virtual memory

3. : being on or simulated on a computer or computer network

print or virtual books

a virtual keyboard

: as

a. : occurring or existing primarily on-line

a virtual library

virtual shopping

b. : of, relating to, or existing within a virtual reality

a virtual world

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.