Plural of bushing; multiple linings or bearings used in machinery to reduce friction between moving parts.
Simple plural of 'bushing' formed by adding '-s.' The singular 'bushing' emerged from mechanical engineering terminology in the Industrial Revolution.
Simple plurals like 'bushings' hide how important standardization was to English—before modern printing, plurals were chaotic, but by the 1700s, '-s' became the default, making language more predictable and machines more interchangeable.
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