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8 Words That Are Older Than You Think

direct-acting

[dih-rekt-ak-ting, dahy-] /dɪˈrɛktˌæk tɪŋ, daɪ-/
adjective
1.
(of a steam pump) having the steam pistons connected directly to the pump pistons without a crankshaft or flywheel.
Origin
1855-1860
1855-60
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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