unit train

noun

1. a freight train of uniform consist that remains coupled, carrying a bulk commodity, as coal or wheat, to a specific destination and that after unloading returns to the point of origin ready for another load.

Word History and Origins

Origin of unit train¹

First recorded in 1960–65

Example Sentences

But analysts at Tudor, Pickering, Holt & Co. estimate it would take 30 trucks and half a unit train each day to haul the 40,000 barrels per day of propane that Line 5 usually supplies.

From Reuters

The hospital should, according to the report, also halt nonessential surgical procedures until staff testing is completed, hold off on using a float staff that moves from unit to unit, train its staff to socially distance while in break rooms or other congregation spaces, and — if possible — create a unit specifically for exposed patients, among other recommendations.

From Seattle Times

The railroads are telling clients that tank cars are not a prudent long-term storage mechanism for a hazardous commodity such as crude, and do not want to put a loaded crude oil unit train in a private facility and potentially create a safety hazard, they said.

From Reuters

Zachary Arcidiacono, a leader at the Transport Workers Union Local 100, which represents thousands of subway workers, said he had taken a ride on the “speed unit” train and felt comfortable with the changes Mr. Byford ordered.

From New York Times

Murex said last week that it would more than double capacity by the third quarter to allow its facility, operated with Cetane Energy, to load a unit train of 75,000 barrels of oil every day.

From Reuters