One of the group of l5 chemically similar metals with atomic numbers 57 through 7l, commonly referred to as the lanthanides.

An instrument used to reveal but not necessarily measure the presence of an electrical quantity. It is used to display the output of a sensing element after suitable amplification and modification. Sometimes called display.

A hole in the hull for mooring lines, cable, or chain to run through.

A gigantic sea animal.

The process of cooling by which a heat absorbing media absorbs heat from one source and radiates the heat away.

A room heat delivery (or exchanger) component of a hydronic (hot water or steam) heating system; hot water or steam is delivered to it by natural convection or by a pump from a boiler.

Indian Ocean Region (INMARSAT)

Independent Tank, Common

Twenty Foot (Container) Equivalent

Sea water used for ballast, let into the double bottom, or into a water-ballast tank, or trimming tanks.

See: 'day.

The process of breaking down organic material; reduction of the net energy level and change in physical and chemical composition of organic material.

The wind speed with 50 percent probability of occurring.

When the wind pushes on the wrong side of the sail, causing it to be pushed away from the wind. If the lines holding the sail in place are not released, the boat could become hard to control and heel excessively.

The state of the atmosphere, mainly with respect to its effects upon life and human activities. As distinguished from climate, weather consists of the short-term (minutes to months) variations of the atmosphere.

An outflow of funds from an account with a bank or financial institution. For example: When a.

A propeller that can have the pitch of its blade changed to reduce drag when not in use.

(1) The condition of a vessel stranded on a reef or a rock when the seas break over her deck. (2) Half drunk; incapacitated by drink.

An apparatus consisting of a small, polished, stainless steel cup placed in a container into which is passed the sample gas. The temperature of the polished surface is lowered by immersing dry ice (solid carbon dioxide) in an acetone solution contained in ...

A filter unit that combines three principles to filter out oil aerosols: 1) Direct interception - A sieving action, 2) Inertial impaction - Collision with filter media fibers, 3) Diffusion -Particles travel in a spiral motion, presenting an effective fron ...