| achromasia | (noun) unnatural lack of color in the skin (as from bruising or sickness or emotional distress) | Synonyms: lividity, lividness, luridness, paleness, pallidness, pallor, wanness |
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| achromaticity | (noun) the visual property of being without chromatic color | Synonyms: achromatism, colorlessness, colourlessness |
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| achromatin | (noun) the part of a cell nucleus that is relatively uncolored by stains or dyes | - |
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| achromatism | (noun) the visual property of being without chromatic color | Synonyms: achromaticity, colorlessness, colourlessness |
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| achromia | (noun) an absence of normal pigmentation especially in the skin (as in albinism) or in red blood cells | - |
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| anachronism | (noun) an artifact that belongs to another time | - |
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| (noun) a person who seems to be displaced in time; who belongs to another age | - |
| (noun) something located at a time when it could not have existed or occurred | Synonyms: misdating, mistiming |
| asynchronism | (noun) the relation that exists when things occur at unrelated times | Synonyms: asynchrony, desynchronisation, desynchronization, desynchronizing |
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| asynchrony | (noun) the relation that exists when things occur at unrelated times | Synonyms: asynchronism, desynchronisation, desynchronization, desynchronizing |
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| bichromate | (noun) a salt of the hypothetical dichromic acid | Synonyms: dichromate |
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| brachistochrone | (noun) a curve between two points along which a body can move under gravity in a shorter time than for any other curve. | - |
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| chroma | (noun) chromatic purity: freedom from dilution with white and hence vivid in hue | Synonyms: intensity, saturation, vividness |
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| chromaesthesia | (noun) a form of synesthesia in which nonvisual stimulation results in the experience of color sensations | Synonyms: chromesthesia |
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| chromate | (noun) any salt or ester of chromic acid | - |
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| chromaticity | (noun) the quality of a color as determined by its dominant wavelength | Synonyms: hue |
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| chromatid | (noun) one of two identical strands into which a chromosome splits during mitosis | - |
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| chromatin | (noun) the readily stainable substance of a cell nucleus consisting of DNA and RNA and various proteins; during mitotic division it condenses into chromosomes | Synonyms: chromatin granule |
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| chromatism | (noun) abnormal pigmentation | - |
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| (noun) hallucinatory perception of colored lights | - |
| chromatogram | (noun) the recording (column or paper strip) on which the constituents of a mixture are adsorbed in chromatography | - |
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| chromatograph | (noun) equipment that enables a sophisticated separation, e.g. gas chromatographic or liquid chromatographic separation. | - |
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| chromatography | (noun) a process used for separating mixtures by virtue of differences in absorbency | - |
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| chrome | (noun) another word for chromium when it is used in dyes or pigments | - |
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| chromesthesia | (noun) a form of synesthesia in which nonvisual stimulation results in the experience of color sensations | Synonyms: chromaesthesia |
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| chromite | (noun) a brownish-black mineral; the major source of chromium | - |
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| chromium | (noun) a hard brittle multivalent metallic element; resistant to corrosion and tarnishing | Synonyms: atomic number 24, Cr |
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| chromoblastomycosis | (noun) a fungal infection characterized by itchy warty nodules on the skin | - |
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| chromogen | (noun) a compound that can be converted to a pigment | - |
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| chromolithograph | (noun) a print made by chromolithography. | - |
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| chromolithography | (noun) single- or multi-color lithography | - |
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| chromophore | (noun) the chemical group that gives color to a molecule | - |
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| chromoplast | (noun) plastid containing pigments other than chlorophyll usually yellow or orange carotenoids | - |
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| chromosome | (noun) a threadlike strand of DNA in the cell nucleus that carries the genes in a linear order | - |
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| chromosphere | (noun) a gaseous layer of the sun's atmosphere (extending from the photosphere to the corona) that is visible during a total eclipse of the sun | - |
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| chronicle | (noun) a record or narrative description of past events | Synonyms: account, history, story |
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| chronicler | (noun) someone who writes chronicles | - |
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| chronograph | (noun) an accurate timer for recording time | - |
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| chronology | (noun) the determination of the actual temporal sequence of past events | - |
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| (noun) a record of events in the order of their occurrence | - |
| (noun) an arrangement of events in time | - |
| chronometer | (noun) an accurate clock (especially used in navigation) | - |
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| chronoscope | (noun) an instrument for accurate measurements of small intervals of time | - |
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| cytochrome | (noun) (biochemistry) a class of hemoprotein whose principal biological function is electron transfer (especially in cellular respiration) | - |
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| desynchronisation | (noun) the relation that exists when things occur at unrelated times | Synonyms: asynchronism, asynchrony, desynchronization, desynchronizing |
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| desynchronization | (noun) the relation that exists when things occur at unrelated times | Synonyms: asynchronism, asynchrony, desynchronisation, desynchronizing |
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| desynchronizing | (noun) the relation that exists when things occur at unrelated times | Synonyms: asynchronism, asynchrony, desynchronisation, desynchronization |
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| diachrony | (noun) the study of linguistic change | Synonyms: diachronic linguistics, historical linguistics |
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| dichroism | (noun) pleochroism of a crystal so that it exhibits two different colors when viewed from two different directions | - |
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| dichromacy | (noun) a deficiency of color vision in which the person can match any given hue by mixing only two other wavelengths of light (as opposed to the three wavelengths needed by people with normal color vision) | Synonyms: dichromasy, dichromatism, dichromatopsia, dichromia |
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| dichromasy | (noun) a deficiency of color vision in which the person can match any given hue by mixing only two other wavelengths of light (as opposed to the three wavelengths needed by people with normal color vision) | Synonyms: dichromacy, dichromatism, dichromatopsia, dichromia |
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| dichromat | (noun) a person with any of the various forms of dichromacy | - |
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| dichromate | (noun) a salt of the hypothetical dichromic acid | Synonyms: bichromate |
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| dichromatism | (noun) a deficiency of color vision in which the person can match any given hue by mixing only two other wavelengths of light (as opposed to the three wavelengths needed by people with normal color vision) | Synonyms: dichromacy, dichromasy, dichromatopsia, dichromia |
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| dichromatopsia | (noun) a deficiency of color vision in which the person can match any given hue by mixing only two other wavelengths of light (as opposed to the three wavelengths needed by people with normal color vision) | Synonyms: dichromacy, dichromasy, dichromatism, dichromia |
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| dichromia | (noun) a deficiency of color vision in which the person can match any given hue by mixing only two other wavelengths of light (as opposed to the three wavelengths needed by people with normal color vision) | Synonyms: dichromacy, dichromasy, dichromatism, dichromatopsia |
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| fluorochrome | (noun) any of various fluorescent substances used in fluorescence microscopy to stain specimens | - |
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| glottochronology | (noun) the determination of how long ago different languages evolved from a common source language | - |
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| hematochrome | (noun) a reddish coloring material found in some algae | - |
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| hemochromatosis | (noun) pathology in which iron accumulates in the tissues; characterized by bronzed skin and enlarged liver and diabetes mellitus and abnormalities of the pancreas and the joints | Synonyms: bronzed diabetes, iron-storage disease, iron overload |
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| isochrone | (noun) an isogram connecting points at which something occurs or arrives at the same time | - |
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| isochronism | (noun) the property of occuring regularly at equal time intervals, of maintaining a constant period or interval, despite variations in other measurable factors in the same system. | - |
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| lunchroom | (noun) a restaurant (in a facility) where lunch can be purchased | - |
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| monochromacy | (noun) complete color blindness; colors can be differentiated only on the basis of brightness | Synonyms: monochromasy, monochromatic vision, monochromatism, monochromia |
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| monochromasy | (noun) complete color blindness; colors can be differentiated only on the basis of brightness | Synonyms: monochromacy, monochromatic vision, monochromatism, monochromia |
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| monochromat | (noun) a person who is completely color-blind | - |
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| monochromatism | (noun) complete color blindness; colors can be differentiated only on the basis of brightness | Synonyms: monochromacy, monochromasy, monochromatic vision, monochromia |
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| monochrome | (noun) a black-and-white photograph or slide | Synonyms: black and white |
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| (noun) painting done in a range of tones of a single color | - |
| monochromia | (noun) complete color blindness; colors can be differentiated only on the basis of brightness | Synonyms: monochromacy, monochromasy, monochromatic vision, monochromatism |
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| ochronosis | (noun) an accumulation of dark pigment in cartilage and other connective tissue; usually a symptom of alkaptonuria or phenol poisoning | - |
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| phaeochromocytoma | (noun) a vascular tumor of the adrenal gland; hypersecretion of epinephrine results in intermittent or sustained hypertension | Synonyms: pheochromocytoma |
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| pheochromocytoma | (noun) a vascular tumor of the adrenal gland; hypersecretion of epinephrine results in intermittent or sustained hypertension | Synonyms: phaeochromocytoma |
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| pleochroism | (noun) the phenomenon of different colors appearing when certain crystals are viewed from different directions | - |
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| polychrome | (noun) a piece of work composed of or decorated in many colors | - |
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| psychrometer | (noun) a hygrometer consisting of a dry-bulb thermometer and a wet-bulb thermometer; their difference indicates the dryness of the surrounding air | - |
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| rhodochrosite | (noun) a mineral consisting of manganese carbonate; a source of manganese | - |
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| schrod | (noun) young Atlantic cod or haddock especially one split and boned for cooking | Synonyms: scrod |
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| (noun) flesh of young Atlantic cod weighing up to 2 pounds; also young haddock and pollock; often broiled | Synonyms: scrod |
| stereochromy | (noun) a process of mural painting in which the pigment is fixed by a series of reactions between the lime, fluosilicic acid, and water glass. | - |
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| synchro | (noun) a system consisting of a generator and a motor so connected that the motor will assume the same relative position as the generator; the generator and the motor are synchronized | Synonyms: selsyn |
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| synchrocyclotron | (noun) cyclotron that achieves relativistic velocities by modulating the frequency of the accelerating electric field | - |
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| synchroflash | (noun) a device used in photography to synchronize the peak of a flash with the opening of the camera shutter | - |
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| synchromesh | (noun) an automotive system for shifting gears in which the gears revolve at the same speed and so shift smoothly | - |
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| synchroneity | (noun) the relation that exists when things occur at the same time | Synonyms: synchronicity, synchronisation, synchronism, synchronization, synchronizing, synchrony |
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| synchronicity | (noun) the relation that exists when things occur at the same time | Synonyms: synchroneity, synchronisation, synchronism, synchronization, synchronizing, synchrony |
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| synchronisation | (noun) coordinating by causing to indicate the same time | Synonyms: synchronization, synchronizing |
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| (noun) an adjustment that causes something to occur or recur in unison | Synonyms: synchronising, synchronization, synchronizing |
| (noun) the relation that exists when things occur at the same time | Synonyms: synchroneity, synchronicity, synchronism, synchronization, synchronizing, synchrony |
| synchroniser | (noun) an instrument that indicates whether two periodic motions are synchronous (especially an instrument that enables a pilot to synchronize the propellers of a plane that has two or more engines) | Synonyms: synchronizer, synchronoscope, synchroscope |
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| synchronising | (noun) an adjustment that causes something to occur or recur in unison | Synonyms: synchronisation, synchronization, synchronizing |
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| synchronism | (noun) the relation that exists when things occur at the same time | Synonyms: synchroneity, synchronicity, synchronisation, synchronization, synchronizing, synchrony |
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| synchronization | (noun) coordinating by causing to indicate the same time | Synonyms: synchronisation, synchronizing |
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| (noun) an adjustment that causes something to occur or recur in unison | Synonyms: synchronisation, synchronising, synchronizing |
| (noun) the relation that exists when things occur at the same time | Synonyms: synchroneity, synchronicity, synchronisation, synchronism, synchronizing, synchrony |
| synchronizer | (noun) an instrument that indicates whether two periodic motions are synchronous (especially an instrument that enables a pilot to synchronize the propellers of a plane that has two or more engines) | Synonyms: synchroniser, synchronoscope, synchroscope |
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| synchronizing | (noun) coordinating by causing to indicate the same time | Synonyms: synchronisation, synchronization |
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| (noun) an adjustment that causes something to occur or recur in unison | Synonyms: synchronisation, synchronising, synchronization |
| (noun) the relation that exists when things occur at the same time | Synonyms: synchroneity, synchronicity, synchronisation, synchronism, synchronization, synchrony |
| synchronoscope | (noun) an instrument that indicates whether two periodic motions are synchronous (especially an instrument that enables a pilot to synchronize the propellers of a plane that has two or more engines) | Synonyms: synchroniser, synchronizer, synchroscope |
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| synchrony | (noun) the relation that exists when things occur at the same time | Synonyms: synchroneity, synchronicity, synchronisation, synchronism, synchronization, synchronizing |
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| synchroscope | (noun) an instrument that indicates whether two periodic motions are synchronous (especially an instrument that enables a pilot to synchronize the propellers of a plane that has two or more engines) | Synonyms: synchroniser, synchronizer, synchronoscope |
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| synchrotron | (noun) cyclotron in which the electric field is maintained at a constant frequency | - |
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| trichroism | (noun) pleochroism of a crystal so that it exhibits three different colors when viewed from three different directions | - |
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| trichromacy | (noun) the normal ability to see colors | Synonyms: chromatic vision, color vision |
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