Word History

First Known Use

1966, in the meaning defined above

Time Traveler
The first known use of PCB was in 1966

Dictionary Entries Near PCB

Cite this Entry

“PCB.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/PCB. Accessed 24 Sep. 2023.

Medical Definition

More from Merriam-Webster on PCB

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