imag-, imagi-

1. The impression of a vivid sensation retained by the retina of the eye after the cause has been removed; also extended to impressions left of tones, smells, etc.
2. A visual image that remains briefly after light stimulation has ended.
3. An optical phenomenon in which the eye's nerves continue to convey an image after an initial image is no longer being viewed.

Typically, the afterimage appears as a likeness of the initial image, except that each of its colors is the complement to those in the initial image. Sometimes called a complementary afterimage or a photogene.

You can experience an after image with the following presentation:

Look at the + in the middle of the blue figure above for 15-30 seconds. Then look at the tiny + in the center of the white square on the right.

The reversal of the color you see is an example of an afterimage. Notice how long the afterimage continues before it disappears.

1. A reproduction of the form of a person or object, especially a sculptured likeness.
2. In physics, an optically formed duplicate, counterpart, or other representative reproduction of an object, especially an optical reproduction formed by a lens or mirror.
3. One that closely or exactly resembles another; a double: "He is the image of his uncle."
4. The opinion or concept of something that is held by the public.
5. The character projected to the public, as by a person or institution, especially as interpreted by the mass media.
6. A personification of something specified: "That child is the image of good health."
7. A mental picture of something not real or present.
8. A vivid description or representation.
9. A figure of speech, especially a metaphor or simile.
10. A concrete representation, as in art, literature, or music, that is expressive or evocative of something else: "The night is considered an image of death by some people."
11. In Computer Science, an exact replica of the contents of a storage device; such as, a hard disk, stored on a second storage device or a network server."

Subject to being depicted: Mandy thought of writing his ideas down which would represent imageable and tangible things.

Having no image; without an image.

One who images or forms likenesses; a sculptor.

1. The ability to form mental images of things or events.
2. The formation of mental images, figures, or likenesses of things, or of such images collectively.
3. Pictorial images.
4. The use of rhetorical images.
5. Figurative descriptions or illustrations; rhetorical images collectively.
6. Mental images collectively; especially, those produced by the action of imagination.

A reference to that which is conceivable: On their camping trip to the mountains, Jack and Jill enjoyed the most fantastic views imaginable from the mountain peaks.

Descriptive of how something is believed or thought of: Jane asked her parents if moving to California would be imaginably conceivable or possible for them, since it was much warmer there than where they presently lived.

Imagining; conceiving.

1. Existing only in the imagination.
2. Lacking factual reality; such as, imaginary fears or imaginary illness.
3. Relating to or containing imaginary numbers, or being the coefficient of the imaginary part in a complex number.

1. The ability to form images and ideas in the mind, especially of things never seen or experienced directly.
2. A creative part of mind; the part of the mind where ideas, thoughts, and images are formed.
3. The faculty of imagining, or of forming mental images or concepts of what is not actually present to the senses.
4. The action or process of forming images or concepts.
5. The faculty of producing ideal creations consistent with reality, as in literature, as distinct from the power of creating illustrative or decorative imagery.
6. The product of imagining; a conception or mental creation, often a baseless or fanciful one. 7. An ability to face and resolve difficulties; resourcefulness.
8. In psychology, the power of reproducing images stored in the memory under the suggestion of associated images (reproductive imagination) or of recombining former experiences in the creation of new images directed at a specific goal or aiding in the solution of problems (creative imagination).
9. Archaic, a plan, scheme, or plot.

1. Having a lively imagination, especially a creative imagination.
2. Created by, indicative of, or characterized by imagination or creativity.
3. Tending to indulge in the fanciful or in make-believe.
4. Good at thinking of new ideas or at visualizing things that have never been seen or experienced directly.
5. New and original, or not likely to have been easily thought up by someone else; such as, an imaginative solution to a long-standing problem.
6. Relating to the ability to form images and ideas in the mind, or to think of new things.
7. Apparently untrue, implausible, or unlikely; having no truth; being false.

1. To form an image or idea of someone or something in the mind.
2. To see or to hear something that is not there, or to think something that is not true.
3. To have a notion of or about without adequate foundation; to fancy.
4. To form mental images of things not present to the senses; to use the imagination.