Definition of Virtual. Meaning of Virtual. Synonyms of Virtual
Here you will find one or more explanations in English for the word Virtual. Also in the bottom left of the page several parts of wikipedia pages related to the word Virtual and, of course, Virtual synonyms and on the right images related to the word Virtual.
Definition of Virtual
VirtualVirtual Vir"tu*al (?; 135), a. [Cf. F. virtuel. See Virtue.]
1. Having the power of acting or of invisible efficacy
without the agency of the material or sensible part;
Heat and cold have a virtual transition, without
communication of substance. --Bacon.
Every kind that lives, Fomented by his virtual
power, and warmed. --Milton.
2. Being in essence or effect, not in fact; as, the virtual
presence of a man in his agent or substitute.
A thing has a virtual existence when it has all the
conditions necessary to its actual existence.
To mask by slight differences in the manners a
virtual identity in the substance. --De Quincey.
Principle of virtual velocities (Mech.), the law that when
several forces are in equilibrium, the algebraic sum of
their virtual moments is equal to zero.
Virtual focus (Opt.), the point from which rays, having
been rendered divergent by reflection of refraction,
appear to issue; the point at which converging rays would
meet if not reflected or refracted before they reach it.
Virtual image. (Optics) See under Image.
Virtual moment (of a force) (Mech.), the product of the
intensity of the force multiplied by the virtual velocity
of its point of application; -- sometimes called virtual
Virtual velocity (Mech.), a minute hypothetical
displacement, assumed in analysis to facilitate the
investigation of statical problems. With respect to any
given force of a number of forces holding a material
system in equilibrium, it is the projection, upon the
direction of the force, of a line joining its point of
application with a new position of that point indefinitely
near to the first, to which the point is conceived to have
been moved, without disturbing the equilibrium of the
system, or the connections of its parts with each other.
Strictly speaking, it is not a velocity but a length.
Virtual work. (Mech.) See Virtual moment, above.
Meaning of Virtual from wikipedia
to: Virtual reality
), computer programs
with an interface
the user the impression
that they are physically
- Virtual reality
(VR) is a simulated experience
that can be similar
to or completely different
from the real world. Applications
of virtual reality
- virtualisation refers
to the act of creating
(rather than actual) version
of something, including virtual computer hardware
- In computing, a virtual machine
(VM) is an emulation
of a computer
system. Virtual machines
on computer architectures
- VM Virtual
Box (formerly Sun Virtual
Box, Sun xVM Virtual
Box and Innotek Virtual
Box) is a free and open-source hosted hypervisor
for x86 virtualization
- A virtual
LAN (VLAN) is any broadcast domain
that is partitioned
in a computer network
at the data link layer
2). LAN is the abbreviation...
XI (pronounced "Virtual
Eleven") is the eleventh studio album
by English heavy metal
band Iron Maiden, released
on 23 March
1998. It is the band's...
- Cyber Troopers Virtual
-On (電脳戦機バーチャロン, Dennō Senki
"Computer Fighting Machine Virtual
-On") is a series
of video games created
- In computing, virtual memory
storage) is a memory management technique
an "idealized abstraction
of the storage resources
a virtual image
is the collection
of focus points
made by extensions
rays. In other
words, a virtual image
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