Definition

Noun: A tank car is a type of railroad freight car specifically designed to transport large quantities of liquid or gaseous materials in bulk.

Usage

A tank car is a specialized piece of rolling stock used in rail transport. It is characterized by a large, cylindrical tank mounted on a chassis. This term is used primarily in the contexts of logistics, railroading, and industrial shipping.

Examples

• The train was hauling several tank cars filled with crude oil.
• Safety regulations for transporting chemicals in a tank car are very strict.
• The derailment involved a tank car carrying liquefied natural gas.

Advanced Usage

• Specification: The term is often modified to specify the contents, e.g., "a pressurized tank car" for gases or "a food-grade tank car" for edible liquids.
• Industry Jargon: In professional contexts, it is sometimes shortened informally to just "tank," as in, "We need to move three tanks of ethanol."

Variants and Related Words

• Tanker: A broader term that can refer to ships, trucks, or railroad cars designed to carry liquids in bulk. A tank car is a type of rail tanker.
• Railcar: A general term for any railroad freight car.
• Hopper Car: A different type of freight car designed to carry dry bulk commodities like grain or coal, often contrasted with a tank car.

Synonyms

• Rail tanker
• Tank wagon (chiefly British English)

Related Phrases/Compounds

• Tank car fleet: Refers to the total number of tank cars owned or operated by a railway or leasing company.
• Tank car safety: A common topic concerning the design, maintenance, and operation of these cars to prevent leaks or accidents.

Noun

1. a freight car that transports liquids or gases in bulk