Etymology
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uptake (n.)
"capacity for understanding, perceptive power," 1816, from up (adv.) + take (v.). Compare Middle English verb uptake "to pick or take up" (c. 1300). Meaning "pipe leading up from the smoke box of a steam boiler to the chimney" is from 1839.
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reuptake (n.)
also re-uptake, by 1977; see re- + uptake (n.).
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