A very experienced and/or old sailor

The semi-circular steel coupling device mounted on a tractor which engages and locks with a chassis semi-trailer.

A form of high-temperature corrosion of chromium-bearing alloys in which green chromium oxide (Cr2O3) forms, but certain other alloy constituents remain metallic; some simultaneous carburization is sometimes observed.

The gauge pressure at which a pressure vessel is maintained in normal operation.

Rigid Inflatable Boat

See sea-water thermometer, reversing thermometer.

The cord, twine or other small stuff which is used to seize line.

In the context of a rights issue, the issue of shares at a price much lower than the current.

A joint-life insurance policy which pays money to a surviving partner on the first partner's.

In blue water beyond the 100-fathom line.

General Policy Group (IACS)

A certificate required by U.S. Customs to release cargo properly to the correct party.

A term used to designate an object for which the correct name has been forgotten.

High Frequency (3-30 Mhz)

Horizontal

The temperature of a body referred to the absolute zero, at which point the volume of an ideal gas theoretically becomes zero. (Fahrenheit scale is minus 459.67

A marine insurance policy that applies to all shipments made by an exporter over a period of time rather than to one shipment only.

Old nickname for a second mate.

The total power absorbed by a compressor, including the power absorbed by all pumps, fans, coolers and the like.

Filtering unit that separates solids and liquid droplets from gas (air). Widely used in removing oil from a gas or air.