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active
(redirected from active transport)

   Also found in: Dictionary/thesaurus, Medical, Financial, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
active adjective assiduous, at work, busily emmloyed, busily engaged, busy, effective, effectual, efficient, energetic, enterprising, functioning, impiger, in a state of action, in actual process, in operation, in practice, industrious, industrius, navus, operant, performing, sedulous, trenchant, vigorous, working
Associated concepts: active concealment, active negligence, active participant, active tort feasor, active trust, active wrongdoing, passive negligence, passive tort feasor
See also: alert, conscious, effective, expeditious, fervent, industrious, moving, operative, potent, rapid, responsive, sedulous, vigilant, volatile, zealous

ACTIVE. The opposite, of passive. We say active debts, or debts due to us; passive debts are those we owe.



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? Mentioned in ? References in periodicals archive
 
This finding was consistent with an active transport mechanism across the placenta.
Others have suggested that nitrate or the reduced form (nitrite) may pass to the fetus through a system of active transport similar to that of iodide, and fetal nitrate plasma levels may exceed that of the mother (Hartman 1982).
Interestingly, from a separate questionnaire sent home for parents to complete, the majority of parents (77%) stated they either walked or cycled to school themselves as 10-year-olds, indicating a substantial decrease in active transport in only one generation.
 
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