im·age / ˈimij/ • n. a representation of the external form of a person or thing in sculpture, painting, etc. ∎  a visible impression obtained by a camera, telescope, microscope, or other device, or displayed on a video screen. ∎  an optical appearance or counterpart produced by light or other radiation from an object reflected in a mirror or refracted through a lens. ∎  Math. a point or set formed by mapping from another point or set. ∎  a mental representation or idea: he had an image of Uncle Walter throwing his crutches away. ∎  a simile or metaphor: he uses the image of a hole to describe emotional emptiness. ∎  the general impression that a person, organization, or product presents to the public: she strives to project an image of youth. ∎  [in sing.] a person or thing that closely resembles another: he's the image of his father. ∎  [in sing.] semblance or likeness: we are made in the image of God. ∎  (in biblical use) an idol.• v. [tr.] make a representation of the external form of: artworks that imaged women's bodies. ∎  (usu. be imaged) make a visual representation of (something) by scanning it with a detector or electromagnetic beam: every point on the Earth's surface was imaged by the satellite | [as n.] (imaging) medical imaging. ∎  form a mental picture or idea of: it is possible for us to image a society in which no one committed crime.DERIVATIVES: im·age·less adj.

image (im-ij) n.
1. (in physiology) an optical reproduction of an object formed on the retina when light is refracted through the eye.

2. (in radiology) a representation of the structure of an organ, tissue, etc., produced by radiography and used by physicians in diagnosis and in monitoring the effects of treatment. See imaging. i. intensifier an electronic device that provides a TV image from an X-ray source. It amplifies the signal from the original image, giving a brighter picture, so that the radiation dose can be reduced.

3. (in psychology) a mental representation resulting from thought rather than from sensory perception. See body image, imagery.

image artificial representation of an object, likeness, statue; (optical) counterpart XIII; mental representation XIV. — (O)F. — L. imāgō, imāgin-, rel. to IMITATE.
So imagery XIV. — OF. imagerie, f. imageur maker of images. imagine XIV. — (O)F. imaginer — L. imāgināre form an image of, represent, fashion, imāginārī picture to oneself, fancy. imagination XIV. — (O)F. — L. imaginable XIV. — late L. imaginary XIV. — L. imaginative XIV. — (O)F.

image
1. A copy in memory of data that exists elsewhere.

2. See digital image.

3. See function.