image Idioms & Phrases


after-image

Aft"er-im`age noun

Definitions
  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.
Webster 1913

auditory image

  • noun a mental image that is similar to an auditory perception
WordNet

blood-oxygenation level dependent functional magnetic resonance imaging

  • noun functional magnetic resonance imaging that relies on intrinsic changes in hemoglobin oxygenation
    BOLD FMRI.
WordNet

Double image micrometer

  • a micrometer in which two images of an object are formed in the field, usually by the two halves of a bisected lens which are movable along their line of section by a screw, and distances are determined by the number of screw revolutions necessary to bring the points to be measured into optical coincidence. When the two images are formed by a bisected objects glass, it is called a divided-object-glass micrometer, and when the instrument is large and equatorially mounted, it is known as a heliometer.
Webster 1913

Electrical image

  • (Elec.), a collection of electrical points regarded as forming, by an analogy with optical phenomena, an image of certain other electrical points, and used in the solution of electrical problems. Sir W. Thomson.
Webster 1913

electronic image

  • noun an image represented as a two dimensional array of brightness values for pixels
    bitmap.
WordNet

functional magnetic resonance imaging

  • noun a form of magnetic resonance imaging of the brain that registers blood flow to functioning areas of the brain
    fMRI.
WordNet

Graven image

  • noun a material effigy that is worshipped
    god; idol.
    • thou shalt not make unto thee any graven image
    • money was his god
WordNet
  • an idol; an object of worship carved from wood, stone, etc. "Thou shalt not make unto thee any graven image." Ex. xx. 4.
Webster 1913

Image breaker

  • noun a destroyer of images used in religious worship
    iconoclast.
WordNet
  • one who destroys images; an iconoclast.
Webster 1913

image compression

  • noun the compression of graphics for storage or transmission
WordNet

Image graver, Image maker

  • a sculptor.
Webster 1913

image orthicon

  • noun a now obsolete picture pickup tube in a television camera; electrons emitted from a photoemissive surface in proportion to the intensity of the incident light are focused onto the target causing secondary emission of electrons
    orthicon.
WordNet

Image Purkinje

  • (Physics), the image of the retinal blood vessels projected in, not merely on, that membrane.
Webster 1913

image scanner

  • noun an electronic device that generates a digital representation of an image for data input to a computer
    digital scanner; scanner.
WordNet

Image worship

  • the worship of images as symbols; iconolatry distinguished from idolatry; the worship of images themselves.
Webster 1913

imagination image

  • noun a mental image produced by the imagination
    imagination image.
WordNet

magnetic resonance imaging

  • noun the use of nuclear magnetic resonance of protons to produce proton density images
    MRI.
WordNet

memory image

  • noun a mental image of something previously experienced
WordNet

mental image

  • noun an iconic mental representation
    image.
    • her imagination forced images upon her too awful to contemplate
WordNet

mirror image

  • noun a likeness in which left and right are reversed
    reflexion; reflection.
WordNet

mirror-image relation

  • noun the relation of opposition between crystals or molecules that are reflections of one another
    enantiomorphism.
WordNet

spitting image

  • noun a perfect likeness or counterpart
WordNet

thought-image

  • noun a mental image produced by the imagination
    imagination image.
WordNet

Virtual image

  • noun a reflected optical image (as seen in a plane mirror)
WordNet
  • (Optics), a point or system of points, on one side of a mirror or lens, which, if it existed, would emit the system of rays which actually exists on the other side of the mirror or lens.
Webster 1913

visual image

  • noun a mental image that is similar to a visual perception
    visualization; visualisation.
  • noun a percept that arises from the eyes; an image in the visual system
    visual percept.
WordNet