passive transport


: the movement of substances (as by diffusion) across a cell membrane without the expenditure of energy compare active transport

Word History

First Known Use

1953, in the meaning defined above

Time Traveler
The first known use of passive transport was in 1953

Dictionary Entries Near passive transport

Cite this Entry

“Passive transport.” Dictionary, Merriam-Webster, Accessed 21 Jun. 2024.

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