PBX

1. a manually or automatically operated telephone facility that handles communications within an office, office building, or organization and that is connected to the public telephone network.

PBX

abbreviation for

1. private branch exchange; a telephone system that handles the internal and external calls of a building, firm, etc

Word History and Origins

Origin of PBX¹

P(rivate) B(ranch) Ex(change)

Example Sentences

It was there that he began his music career, releasing his debut album PBX 1 in October 2018 under the stage name of Sidhu Moose Wala - or "Sidhu of Moosa", his village.

From BBC

PBX 9502 is especially tricky because it’s an insensitive explosive, meaning it won’t go up if smacked or set on fire.

From Science Magazine

Called PBX 9502, the polymer-bonded explosive is intended to be used in refurbishing a 40-year-old thermonuclear warhead called the W80, which is about the size of a garbage can and fits on a cruise missile.

From Science Magazine

Murals of Nikola Tesla and Margaret Hamilton, the computer scientist who wrote flight software for NASA’s Apollo program and coined the term “software engineer,” stretched across one end of the room, facing a wall of books with titles such as “Silicon Snake Oil” and “Stealing the Network: How to Own a Continent” and a wall-mounted red telephone with a handwritten plaque reading, “The interhackerspace PBX starts here.”

From The New Yorker

I stood behind a bookshelf and surreptitiously Googled “PBX” on my iPhone.

From The New Yorker