Well the more correct term would be 'semi Trailer-Truck' or something to that capacity. It means that it is both a large truck and partial trailer in the sense that it has the capacity of a large hauling truck and a small living quarter for a person travelling to rest in when they are stopped at a truck stop. Such Trucks are meant for carrying large quantities of cargo long distances by road and allowing for the driver to rest from time to time.
Semi-articulated
The word semi means half, or part.The tractor and trailer are two parts, hence semi truck and or trailer.
It's used to refer to the power unit of a semi-articulated tractor-trailer. In reality, any truck pulling a trailer could be considered a truck tractor.
Who invented the Semi-truck?
If the semi truck knocked on the garbage truck, yes.
A "Big" truck is a non-technical term. It can mean a large pickup, or a semi-truck. Trucks are classified as light medium and heavy.
A vehicle with 18 wheels is commonly known as a "semi-truck" or "tractor-trailer."
Big truck, big rig, semi truck, semi-articulated truck, 18 wheeler, large car, Heavy Goods Vehicle (primarily a British term), lorry (also primarily British), CMV - Commercial Motor Vehicle (although this term doesn't apply to tractor-trailers alone).
A 'bobtail' is a colloquial term for the cab/tractor of a semi-truck. Therefore, the sign "No Bobtail Parking", for example, indicates no parking of semi cabs allowed.
There is no prefix in truck.
As a former truck driver we refered to it simply as empty weight. The 'official' term for it, however, is tare weight.
Tom Nelson invented the semi truck in 1945