| 单词 | polaron |
| 释义 | polar /pōˈlər/adjective
The locus of the harmonic conjugate of a fixed point or pole with respect to the points in which a transversal through it cuts a circle or other conic ORIGIN: L polāris, from polus; see pole1 polarimˈeter noun An instrument for measuring the rotation of the plane of polarization of light, or the amount of polarization of light polarimetric /pō-lə-ri-metˈrik/ adjective polarimetry /pō-lə-rimˈi-tri/ noun Polaris /pō-läˈris/ noun
polariscope /pō-larˈi-skōp/ noun An instrument for showing phenomena of polarized light polarity /pō-larˈi-ti/ noun
polarization or polarisation /pō-lə-rī-zāˈshən/ noun
polarize or polarise /pōˈlə-rīz/ transitive verb
To acquire polarity poˈlarized or poˈlarised adjective poˈlarīzer or poˈlarīser noun A device for polarizing light polarographˈic adjective polarogˈraphy noun A technique for determining the concentration and nature of the ions in a solution by an electrolytic process in which the current through the cell is measured as a function of the applied voltage Poˈlaroid® adjective A trademark applied to photographic equipment, light-polarizing materials, etc nounA photograph taken using a Polaroid camera poˈlaron noun (electronics) A free electron trapped by polarization charges on surrounding molecules polar axis noun (astronomy)
polar bear noun A large white bear found in the Arctic regions polar body noun (biology) One of two small cells detached from the ovum during the maturation divisions polar cap noun A polar icecap polar circle noun The Arctic or the Antarctic Circle polar co-ordinates plural noun (mathematics) Co-ordinates defining a point by means of a radius vector and the angle which it makes with a fixed line through the origin polar distance noun Angular distance from the pole polar equation noun (mathematics) An equation in terms of polar co-ordinates polar forces plural noun Forces that act in pairs and in different directions, as in magnetism polarity therapy noun A system of treatment aimed at balancing the elements of the life-force within the body and improving its flow polarizing filter noun A filter that allows the passage of light which is polarized in one direction only, used in photography to reduce surface reflections polarized light microscopy noun The method of examining thin, transparent materials, esp from rock, using polarized light to reveal birefringence polar lights plural noun The aurora borealis or australis polar star noun A star near a pole of the heavens, esp Polaris polar wandering noun Movement of the magnetic poles and of the poles of the earth's rotation through geological time |
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