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单词 virtual
释义

virtual

[ vur-choo-uhl ]
/ ˈvɜr tʃu əl /
SEE SYNONYMS FOR virtual ON THESAURUS.COM

adjective

being such in power, force, or effect, though not actually or expressly such: a virtual dependence on charity.
Optics.
  1. noting an image formed by the apparent convergence of rays geometrically, but not actually, prolonged, as the image formed by a mirror (opposed to real).
  2. noting a focus of a system forming virtual images.
temporarily simulated or extended by computer software: a virtual disk in RAM;virtual storage on a hard disk;a 3D virtual world.
existing, seen, or happening online or on a computer screen, rather than in person or in the physical world: You can take a virtual tour of the museum before your visit.I've started working out with a virtual personal trainer.

Origin of virtual

First recorded in 1350–1400; Middle English, from Medieval Latin virtuālis, equivalent to Latin virtu(s) “maleness, worth” + -ālis adjective suffix; see virtue, -al1

OTHER WORDS FROM virtual

vir·tu·al·i·ty, noun

Words nearby virtual

Viron, virosis, v. irr., Virtanen, virtu, virtual, virtual assistant, virtual cautery, virtual colonoscopy, virtual human, virtual image
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for virtual

British Dictionary definitions for virtual

virtual
/ (ˈvɜːtʃʊəl) /

adjective

having the essence or effect but not the appearance or form ofa virtual revolution
physics being, relating to, or involving a virtual imagea virtual focus
computing of or relating to virtual storagevirtual memory
of or relating to a computer technique by which a person, wearing a headset or mask, has the experience of being in an environment created by the computer, and of interacting with and causing changes in it
rare capable of producing an effect through inherent power or virtue
physics designating or relating to a particle exchanged between other particles that are interacting by a field of forcea virtual photon See also exchange force

Word Origin for virtual

C14: from Medieval Latin virtuālis effective, from Latin virtūs virtue
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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更新时间:2025/1/24 22:36:05