Used in meteorology to describe a mass of cold air moving toward a mass of warm air. Strong winds and rain typically accompany a cold front.

Floor of the cockpit.

Term meaning smart or neat.

Ships which can carry both liquid and dry bulk cargoes.

Refrigeration equipment attachable to an insulated container that does not have its own refrigeration unit.

A short semi-trailer used jointly with a dolly and another semi-trailer to create a twin trailer

A method of bending a material into an appropriate shape without heating or steaming the material first to soften it.

A number of yarns, twisted together and which in turn may be twisted into rope; a rope is stranded when a strain is broken; rope may be designated by the number of strands composing. Rope is commonly three-stranded. A vessel run ashore is said to be stran ...

Correct alignment of the optical parts of an instrument.

Blue working overalls.

A ring of rope made by splicing the ends, and used for slinging weights, holding the parts of a block together, etc. A rope, wire or iron binding, encircling a block and with a thimble seized into it for taking a hook.

Hypocritical smile, or sneer.

A device for mounting cylinders.

Abbreviation for:- Collect (cash) on Delivery.- Carried on Docket (pricing).

A system in which air supply is matched to demand by the starting and stopping of the unit.

A facility or enclosure in which air content and other conditions (such as temperature, humidity, and pressure) are controlled and maintained at a specific level by special facilities and operating processes and by trained personnel.

The captain or master of a ship.

Is a pipe coming from the top of the airline to feed air to an outlet for tools or air operated devices, so that condensation does not easily flow into the dropleg.

Beat to windward to avoid being driven onto a lee shore.

Rate at which unsaturated air cools as it travels vertically, provided that all temperature change is adiabatic (without heat exchange), and no condensation occurs.