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- Attraction - n. - An invisible power in a body by which it draws anything to itself; the power in nature acting mutually between bodies or ultimate particles, tending to draw them together, or to produce their cohesion or combination, and conversely resisting separation.
- Attraction - n. - The act or property of attracting; the effect of the power or operation of attraction.
- Attraction - n. - The power or act of alluring, drawing to, inviting, or engaging; an attractive quality; as, the attraction of beauty or eloquence.
- Attraction - n. - That which attracts; an attractive object or feature.
- Bind - v. t. - To confine, restrain, or hold by physical force or influence of any kind; as, attraction binds the planets to the sun; frost binds the earth, or the streams.
- Evection - - An inequality of the moon's motion is its orbit to the attraction of the sun, by which the equation of the center is diminished at the syzygies, and increased at the quadratures by about 1ยก 20'.
- Attraction - n. - The power or act of alluring, drawing to, inviting, or engaging; an attractive quality; as, the attraction of beauty or eloquence.
- Adhesion - n. - The molecular attraction exerted between bodies in contact. See Cohesion.
- Affinity - n. - A superior spiritual relationship or attraction held to exist sometimes between persons, esp. persons of the opposite sex; also, the man or woman who exerts such psychical or spiritual attraction.
- Gravitation - n. - That species of attraction or force by which all bodies or particles of matter in the universe tend toward each other; called also attraction of gravitation, universal gravitation, and universal gravity. See Attraction, and Weight.
- Cleavage - n. - The quality possessed by many crystallized substances of splitting readily in one or more definite directions, in which the cohesive attraction is a minimum, affording more or less smooth surfaces; the direction of the dividing plane; a fragment obtained by cleaving, as of a diamond. See Parting.
- Card - n. - A published note, containing a brief statement, explanation, request, expression of thanks, or the like; as, to put a card in the newspapers. Also, a printed programme, and (fig.), an attraction or inducement; as, this will be a good card for the last day of the fair.
- Solenoid - n. - An electrodynamic spiral having the conjuctive wire turned back along its axis, so as to neutralize that component of the effect of the current which is due to the length of the spiral, and reduce the whole effect to that of a series of equal and parallel circular currents. When traversed by a current the solenoid exhibits polarity and attraction or repulsion, like a magnet.
- Electricity - n. - A power in nature, a manifestation of energy, exhibiting itself when in disturbed equilibrium or in activity by a circuit movement, the fact of direction in which involves polarity, or opposition of properties in opposite directions; also, by attraction for many substances, by a law involving attraction between surfaces of unlike polarity, and repulsion between those of like; by exhibiting accumulated polar tension when the circuit is broken; and by producing heat, light, concussion, and often chemical changes when the circuit passes between the poles or through any imperfectly conducting substance or space. It is generally brought into action by any disturbance of molecular equilibrium, whether from a chemical, physical, or mechanical, cause.
- Compensator - n. - An iron plate or magnet placed near the compass on iron vessels to neutralize the effect of the ship's attraction on the needle.
- Wick - n. - A bundle of fibers, or a loosely twisted or braided cord, tape, or tube, usually made of soft spun cotton threads, which by capillary attraction draws up a steady supply of the oil in lamps, the melted tallow or wax in candles, or other material used for illumination, in small successive portions, to be burned.
- Perturbation - n. - A disturbance in the regular elliptic or other motion of a heavenly body, produced by some force additional to that which causes its regular motion; as, the perturbations of the planets are caused by their attraction on each other.
- Tide - prep. - The alternate rising and falling of the waters of the ocean, and of bays, rivers, etc., connected therewith. The tide ebbs and flows twice in each lunar day, or the space of a little more than twenty-four hours. It is occasioned by the attraction of the sun and moon (the influence of the latter being three times that of the former), acting unequally on the waters in different parts of the earth, thus disturbing their equilibrium. A high tide upon one side of the earth is accompanied by a high tide upon the opposite side. Hence, when the sun and moon are in conjunction or opposition, as at new moon and full moon, their action is such as to produce a greater than the usual tide, called the spring tide, as represented in the cut. When the moon is in the first or third quarter, the sun's attraction in part counteracts the effect of the moon's attraction, thus producing under the moon a smaller tide than usual, called the neap tide.
- Segregation - n. - Separation from a mass, and gathering about centers or into cavities at hand through cohesive attraction or the crystallizing process.
- Mordant - n. - Any substance, as alum or copperas, which, having a twofold attraction for organic fibers and coloring matter, serves as a bond of union, and thus gives fixity to, or bites in, the dyes.
- Affinity - n. - That attraction which takes place, at an insensible distance, between the heterogeneous particles of bodies, and unites them to form chemical compounds; chemism; chemical or elective affinity or attraction.
- Cohesion - n. - That from of attraction by which the particles of a body are united throughout the mass, whether like or unlike; -- distinguished from adhesion, which unites bodies by their adjacent surfaces.
- Polarity - n. - That quality or condition of a body in virtue of which it exhibits opposite, or contrasted, properties or powers, in opposite, or contrasted, parts or directions; or a condition giving rise to a contrast of properties corresponding to a contrast of positions, as, for example, attraction and repulsion in the opposite parts of a magnet, the dissimilar phenomena corresponding to the different sides of a polarized ray of light, etc.
- Insulated - p. a. - Situated at so great a distance as to be beyond the effect of gravitation; -- said of stars supposed to be so far apart that the affect of their mutual attraction is insensible.