| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024vir•tu•al /ˈvɜrtʃuəl/USA pronunciation adj. - being (the noun stated) in force or effect, though not actually or expressly such:[before a noun]They were reduced to virtual poverty.
- Computingtemporarily simulated or extended by computer software:virtual memory on a hard disk.
vir•tu•al•ly, adv. WordReference Random House Unabridged Dictionary of American English © 2024vir•tu•al (vûr′cho̅o̅ əl),USA pronunciation adj. - being such in power, force, or effect, though not actually or expressly such:a virtual dependence on charity.
- [Optics.]
- Opticsnoting an image formed by the apparent convergence of rays geometrically, but not actually, prolonged, as the image formed by a mirror (opposed to real).
- Opticsnoting a focus of a system forming virtual images.
- Computingtemporarily simulated or extended by computer software:a virtual disk in RAM; virtual memory on a hard disk.
- Medieval Latin virtuālis, equivalent. to Latin virtu(s) virtue + -ālis -al1
- Middle English 1350–1400
Collins Concise English Dictionary © HarperCollins Publishers:: virtual /ˈvɜːtʃʊəl/ adj - having the essence or effect but not the appearance or form of: a virtual revolution
- being, relating to, or involving a virtual image: a virtual focus
- of or relating to virtual storage: virtual 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
Etymology: 14th Century: from Medieval Latin virtuālis effective, from Latin virtūs virtue |