1. 
   Anti Resonance
   In multi degree of freedom systems (e.g. 2 or more spring-masses) or continuous systems (e.g. beams) there will exist frequencies at which a dynamic force applied at a point will not cause any motion of the system at that point. These frequencies are known as anti-resonance's. See also: Antinode, Re...
   Found op http://www.diracdelta.co.uk/science/source/a/n/anti%20resonance/source.html
   
   
2. 
   anti-resonance
   phenomenon of a system in forced oscillation such that any change in the frequency of excitation, however small, results in an increase in a response of the system NOTE - The quantity that is the measure of response must be indicated; for example, velocity anti-resonance.
   Found op http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=801-24-07
   
   
3. 
   Antiresonance
   The condition for which the impedance of a given electric, acoustic, or dynamic system is very high, approaching infinity. In an electric circuit consisting of a capacitor and a coil in parallel, antiresonance occurs when the alternating-current line voltage and the resultant current are in phase. ...
   Found op http://en.wikipedia.org/wiki/Antiresonance
   
   

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