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

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".