automated clearing house

or au·to·mat·ed clear·ing·house

[ aw-tuh-mey-tid kleer-ing hous ]

noun

ACH (def. 1).

Origin of automated clearing house

¹

First recorded in 1935–40

Words Nearby automated clearing house

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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