Kerr cell

American  

[kahr, kur] / kɑr, kɜr /

noun

Physics.

1. a transparent cell filled with a fluid, usually nitrobenzene, and containing two electrodes placed between two polarizing light filters, suitable for demonstrating the Kerr effect and often used as a high-speed camera shutter.

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Etymology

Origin of Kerr cell

First recorded in 1925–30; Kerr effect