• word of the day

    kerr cell

    kerr cell - Dictionary definition and meaning for word kerr cell

    Definition
    (noun) optical device consisting of a transparent cell with two electrodes between two polarizing media; passes light only if the two planes of polarization are parallel; used as a high-speed shutter or to modulate a laser beam

Word used in video below:
text: a plant cell has a membrane and a cell wall.
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