The order to tack the ship

Category:Sea Words

On the deck (not over it - see ALOFT)

Category:Sea Words

Above decks; without concealment of deceit (out in the open).

Category:Sea Words

To lay the head yards abox in a square rigged sailing vessel was to lay them square to the foremast in order to heave-to.

Category:Sea Words

Alongside of. Side by side. Side by side ; by the side of.

Category:Sea Words

Abeam of (alongside of).

Category:Sea Words

ABS

American Bureau of Shipping. US Classification Society founded in 1862.

Category:Abbreviations

An arbitrary filter efficiency rating.

Category:Sea Words

In a system of moist air, the ratio of the mass of water vapor to the total volume of the system. Usually expressed as grams per cubic meter (g/m3).

Category:Meteorology

An instrument whose calibration can be determined by means of simple physical measurements on the instrument. Compare to secondary instrument.

Category:Meteorology

All (not just 98%) particles larger than the stated micron size have been removed from the fluid being filtered.

Category:Sea Words

The total pressure measured from absolute zero ( i.e., from an absolute vacuum).

Category:Sea Words

Temperature based on an absolute scale.

Category:Meteorology

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

Category:Sea Words

A temperature scale based on absolute zero. Same as Kelvin temperature scale.

Category:Meteorology

Is the force in newton required to move a fluid layer of one square meter area and a thickness of one meter with a velocity of one meter per second.

Category:Sea Words

A hypothetical temperature characterized by a complete absence of heat and defined as 0 K, -273.15 C, or -459.67 F.

Category:Meteorology

A method to trap liquids or gases by causing them to penetrate into the absorbent material.

Category:Sea Words

A material that extracts one or more substances from a fluid (gas or liquid) medium on contact, and which changes physically and/or chemically in the process. The less volatile of the two working fluids in an absorption cooling device.

Category:Energy Terms

The component of a solar thermal collector that absorbs solar radiation and converts it to heat, or, as in a solar photovoltaic device, the material that readily absorbs photons to generate charge carriers (free electrons or holes).

Category:Energy Terms