Roget's spiral

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

Definition of Roget's spiral

: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


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