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resistance |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Resistance \Re*sist"ance\ (-ans), n. [F. r['e]sistance, LL resistentia fr resistens - entis, p. pr See {Resist}.] 1. The act of resisting; opposition, passive or active. When King Demetrius saw that . . . no resistance was made against him he sent away all his forces. --1. Macc. xi 38. 2. (Physics) The quality of not yielding to force or external pressure; that power of a body which acts in opposition to the impulse or pressure of another, or which prevents the effect of another power; as the resistance of the air to a body passing through it the resistance of a target to projectiles. 3. A means or method of resisting; that which resists. Unfold to us some warlike resistance. --Shak. 4. (Elec.) A certain hindrance or opposition to the passage of an electrical current or discharge offered by conducting bodies. It bears an inverse relation to the conductivity, -- good conductors having a small resistance, while poor conductors or insulators have a very high resistance. The unit of resistance is the ohm. {Resistance box} (Elec.), a rheostat consisting of a box or case containing a number of resistance coils of standard values so arranged that they can be combined in various ways to afford more or less resistance. {Resistance coil} (Elec.), a coil of wire introduced into an electric circuit to increase the resistance. {Solid of least resistance} (Mech.), a solid of such a form as to experience, in moving in a fluid, less resistance than any other solid having the same base, height, and volume. From WordNet r 1.6 [wn]: resistance n 1: the action of opposing something that you disapprove or disagree with "he encountered a general feeling of resistance from many citizens"; "despite opposition from the newspapers he went ahead" [syn: {opposition}] 2: any mechanical force that tends to retard or oppose motion 3: a material's opposition to the flow of electric current; measured in ohms [syn: {electric resistance}, {electrical resistance}, {impedance}, {resistivity}, {ohmic resistance}] 4: the military action of resisting the enemy's advance; "the enemy offered little resistance" 5: the condition in which an organism can resist disease 6: a secret group organized to overthrow a government or occupation force [syn: {underground}] 7: (psychiatry) an unwillingness to bring repressed feelings into conscious awareness 8: an electrical device that resists the flow of electrical current [syn: {resistor}] 9: group action in opposition to those in power
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