- Erect image
An erect image, in
optics , is one that appears right-side up. Sometelescopes and other devices, such as thecamera obscura present an upside down image. Various means are used to achieve an erect image.
Wikimedia Foundation. 2010.
An erect image, in
Wikimedia Foundation. 2010.
Erect image — Прямое [незеркальное] изображение … Краткий толковый словарь по полиграфии
erect image — virtual i … Medical dictionary
erect image — upright figure … English contemporary dictionary
erect — erectable, adj. erectly, adv. erectness, n. /i rekt /, adj. 1. upright in position or posture: to stand or sit erect. 2. raised or directed upward: a dog with ears erect. 3. Bot. vertical throughout; not spreading or declined: an erect stem; an… … Universalium
erect — /əˈrɛkt / (say uh rekt), /i / (say ee ) adjective 1. upright in position or posture: an erect stance. 2. raised or directed upwards: a dog with ears erect. 3. Botany vertical throughout; not spreading or declined: an erect stem; an erect leaf; an …
erect — e•rect [[t]ɪˈrɛkt[/t]] adj. 1) upright and straight in position or posture: to sit erect[/ex] 2) raised or directed upward or outward: a dog with ears erect[/ex] 3) (of an organ or part) in a state of physiological erection 4) bot (of a plant… … From formal English to slang
erect — I. adjective Etymology: Middle English, from Latin erectus, past participle of erigere to erect, from e + regere to lead straight, guide more at right Date: 14th century 1. a. vertical in position; also not spread out or decumbent < an erect… … New Collegiate Dictionary
image — 1. Representation of an object made by the rays of light emanating or reflected from it. 2. Representation produced by x rays, ultrasound, tomography, thermography, radioisotopes, etc. 3. To produce such representations. [L. imago, likeness]… … Medical dictionary
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
photoreception — photoreceptive, adj. /foh toh ri sep sheuhn/, n. the physiological perception of light. [1905 10; PHOTO + RECEPTION] * * * Biological responses to stimulation by light, most often referring to the mechanism of vision. In one celled organisms such … Universalium