Distributor

来自Big Physics

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distribute +‎  -or


etymonline

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distributor (n.)

1520s, distributer (Latinized form is from 1570s), "one who or that which distributes," agent noun from Latin distribuere "to divide, deal out in portions" (see distribute). As a part that passes current in turn to each spark plug in an internal combustion engine, by 1866.