Associations to the word «Optical»


OPTICAL, adjective. Of, or relating to sight; visual
OPTICAL, adjective. Designed to assist or enhance sight
OPTICAL, adjective. Of, or relating to optics
OPTICAL, adjective. Of, or relating to visible light
OPTICAL, adjective. Incorporating light-sensitive devices
OPTICAL ACTIVITY, noun. (physics) a property caused by asymmetrical molecular or crystal structure that enables a compound or crystal to rotate the plane of incident polarized light
OPTICAL ACTIVITY, noun. (chemistry) A measure of the amount of optical rotation produced by a standard amount of a substance
OPTICAL ART, noun. Op art.
OPTICAL ASTRONOMY, noun. (informal) Astronomy using observations using telescopes and recording media that capture visible light.
OPTICAL ASTRONOMY, noun. (astronomy) Astronomy using infrared, visible, and/or ultraviolet wavelengths.
OPTICAL AXIS, noun. (optics) An imaginary line within an optical system around which there is rotational symmetry.
OPTICAL CHARACTER RECOGNITION, noun. (computing) The electronic identification and digital encoding of printed or handwritten characters by means of an optical scanner and specialized software.
OPTICAL DISC, noun. A modern data storage medium consisting of a flat disc read mechanically by illumination with laser light. Various formats include the Laserdisc, compact disc, DVD, and Blu-ray.
OPTICAL DISCS, noun. Plural of optical disc
OPTICAL DOUBLE, noun. (star) A star that appears as a double due to an optical illusion; in reality, the stars may be far apart from each other.
OPTICAL DRIVE, noun. A drive that reads optical media.
OPTICAL DRIVES, noun. Plural of optical drive
OPTICAL FIBER, noun. Alternative form of optical fibre
OPTICAL FIBERS, noun. Plural of optical fiber
OPTICAL FIBRE, noun. A thin, transparent, flexible fibre, made of glass or plastic, used for transmitting light.
OPTICAL FLAT, noun. (optics) A disk of high-quality quartz glass having at least one side ground and polished with a deviation in flatness less than 50 nanometers all over, and a surface quality of 5 microfinish or less; used, in an interferometer, to measure the flatness of other surfaces.
OPTICAL ILLUSION, noun. An image that is visually deceptive or misleading.
OPTICAL ILLUSIONS, noun. Plural of optical illusion
OPTICAL ISOMER, noun. (chemistry) Any one of a number of compounds that exhibit optical isomerism.
OPTICAL ISOMERS, noun. Plural of optical isomer
OPTICAL MEDIA, noun. Data storage in the form of an optical disc such as Laserdisc, compact disc, DVD, and Blu-ray.
OPTICAL MICROSCOPE, noun. Alternative term for light microscope
OPTICAL ROTATION, noun. (physics) The rotation of the plane of polarization of plane polarized light as it passes through a chiral medium
OPTICAL ROTATORY DISPERSION, noun. (chemistry) (physics) the variation in the optical rotation of a substance with the wavelength of light
OPTICAL SPECTRUM, noun. The colours of the rainbow.
OPTICAL SPECTRUM, noun. (physics) the distribution of colours produced when white light passes through a prism; the range of frequencies of visible light.
OPTICAL SWITCH, noun. (telecommunication) A switch that can selectively change signals between optical fibers or integrated optical circuits.
OPTICAL TELESCOPE, noun. An instrument, used both for recreational and scientific purposes, which provides a magnified view of distant objects by collecting and focusing light by means of mirrors and/or optical lenses.
OPTICAL TELESCOPES, noun. Plural of optical telescope
OPTICAL TRAP, noun. (physics) A device that employs a focused laser beam to trap, manipulate and image very small particles

Dictionary definition

OPTICAL, adjective. Of or relating to or involving light or optics; "optical supplies".
OPTICAL, adjective. Relating to or using sight; "ocular inspection"; "an optical illusion"; "visual powers"; "visual navigation".
OPTICAL, adjective. Of or relating to or resembling the eye; "ocular muscles"; "an ocular organ"; "ocular diseases"; "the optic (or optical) axis of the eye"; "an ocular spot is a pigmented organ or part believed to be sensitive to light".

Wise words

Words, words, words! They shut one off from the universe. Three quarters of the time one's never in contact with things, only with the beastly words that stand for them.
Aldous Huxley