Roget's spiral

noun Ro·get's spiral \(ˈ)rō¦|zhāz-, ˈräˈ|\

Definition of Roget's spiral

  1. :  an open helix of elastic wire that contracts in length when an electric current passes through it and thereby demonstrates the attraction of parallel currents

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Origin and Etymology of roget's spiral

after Peter M. Roget †1869 English physician

Seen and Heard

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capable of being understood in two ways

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