A compressor belonging to the group of displacement reciprocating compressors.

The tensile or compressive loading on the crosshead assembly with compressive piston rod loading on the outward stroke and tensile piston rod loading on the inward stroke.

A ceremony performed on board ships when passengers or crew are crossing the equator for the first time during a voyage.

Crossing the Equator.

Small horizontal spars extending athwartships from one or more places along the mast. The shrouds cross the end of these "spreaders", enabling the shrouds to better support the mast.

A platform and protective coaming setting high up on a mast, to accommodate the look-out aloft while the ship is at sea.

The platform or tub on the mast for the look-out.

A knot formed by taking the strands of the end of a line and tucking them over and under each other to prevent them from unraveling.

Voyage made in varying directions. To sail in various directions for pleasure, in search, or for exercise.

ACRONYM - Canadian Standards Association

ACRONYM - Approach temperature. Usually the difference between cooling water temperature in to compressed air temperature out of an inter-cooler or after-cooler. Sometimes used to define oil cooler efficiency (cooling water temperature in to oil temperatu ...

A volume. Cubic meters per second.

An abbreviation for "Cubic." A unit of volume measurement.

When a container or vessel has reached its volumetric capacity before its permitted weight limit.

The most important commercial measurement when the intrinsic weight of the cargo is so low that the ship becomes full without being loaded to the cargo line. Is expressed in cubic metres or cubic feet.

CFM. An airflow measurement of volume.

1,728 cubic inches. A volume contained in a space measuring one foot high, one foot wide and one foot long.

Laying up of a vessel, in a dock, for repairs.

A line used to control the tension along a sail's luff in order to maintain proper sail shape.

Usual and accustomed speed.