Similar to a whip, an instrument of punishment where seamen were flogged on their bare backs.

An air pollution control device that removes organic contaminants by oxidizing them into carbon dioxide and water through a chemical reaction using a catalysis, which is a substance that increases (or decreases) the rate of a chemical reaction without bei ...

A multihull with two hulls separated by a deck or crossbeams from which a trampoline is suspended; abbreviated "cat."

A small boat with the mast stepped far forward, carrying a single sail

The amount of precipitation captured by a rain gauge.

Light rope secured to a buoy to hold vessel while stronger moorings are attached.

The curve (sag) of a rope, cable or chain hung between two points such as the anchor rode or towing line; the deeper the curve, the more catenary.

In square-rigged vessels, short lines at the lower end of the futtock shrouds used to bring in the shrouds tighter to give room to brace the yards at a sharper angle when sailing close hauled.

On older sailing ships, a heavy piece of curved timber projecting from the bow for the purpose of holding anchors in position for letting go or for securing them after weighing.

A type of ceiling and roof assembly that has no attic.

The electrode of an electrolytic cell at which reduction is the principal reaction. (Electrons How toward the cathode in the external circuit.) Typical cathodic processes are cation' taking up electrons and being discharged, oxygen being reduced. and the ...

The negative pole or electrode of an electrolytic cell, vacuum tube, etc., where electrons enter (current leaves) the system; the opposite of an anode.

An electromagnetic ballast that disconnects a lamp's electrode heating circuit once is has started; often called "low frequency electronic" ballasts.

Current efficiency at the cathode.

The portion of solution in immediate contact with the cathode during electrolysis.

Electrolytic cleaning in which the work is the cathode.

Corrosion resulting from a cathodic condition of a structure usually caused by the reaction of an amphoteric metal with the alkaline products of electrolysis.

The destruction of adhesion between a coating and its substrate by products of a cathodic reaction.

A chemical substance or mixture that prevents or reduces the rate of the cathodic or reduction reaction by physical, physico-chemical or chemical action.

Electrolytic pickling in which the work is the cathode.