- virtual image
- noun Date: 1859 an image (as seen in a plane mirror) formed of points from which divergent rays (as of light) seem to emanate without actually doing so
New Collegiate Dictionary. 2001.
New Collegiate Dictionary. 2001.
Virtual image — Virtual 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; potential; energizing. [1913 Webster] Heat and cold have a virtual… … The Collaborative International Dictionary of English
Virtual image — Image Im age ([i^]m [asl]j; 48), n. [F., fr. L. imago, imaginis, from the root of imitari to imitate. See {Imitate}, and cf. {Imagine}.] 1. An imitation, representation, or similitude of any person, thing, or act, sculptured, drawn, painted, or… … The Collaborative International Dictionary of English
virtual image — n an image (as seen in a plane mirror) formed of virtual foci * * * a picture from projected light rays that are intercepted before focusing, as by a plane mirror; it cannot be received on a screen, and it has the same orientation as the object.… … Medical dictionary
virtual image — n. an optical image from which light rays appear to diverge, although they actually do not pass through the image * * * … Universalium
virtual image — n. an optical image from which light rays appear to diverge, although they actually do not pass through the image … English World dictionary
Virtual image — In optics, a virtual image is an image in which the outgoing rays from a point on the object never actually intersect at a point. A simple example is a flat mirror where the image of oneself is perceived at twice the distance from yourself to the … Wikipedia
virtual image — menamasis vaizdas statusas T sritis fizika atitikmenys: angl. apparent image; virtual image vok. scheinbares Bild, n; virtuelles Bild, n rus. мнимое изображение, n pranc. image virtuelle, f … Fizikos terminų žodynas
virtual image — noun a reflected optical image (as seen in a plane mirror) • Hypernyms: ↑reflection, ↑reflexion … Useful english dictionary
Virtual image — Действительное изображение … Краткий толковый словарь по полиграфии
Virtual — 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; potential; energizing. [1913 Webster] Heat and cold have a virtual transition,… … The Collaborative International Dictionary of English