An aqueous solution containing one gram equivalent of the active reagent in 1L of the solution.

The molecule, ion, or group bound to the central atom in a chelate or a coordination compound.

An index calculated from total dissolved solids, calcium concentration, total alkalinity, pH and solution temperature that shows the tendency of a water solution to precipitate or dissolve calcium carbonate.

An absolute temperature scale. (

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

Localized corrosion frequently observed in oilwell tubing in which a circumfrential attack is observed near a region of metal "upset".

Electromagnetic radiation of shorter wavelength than visible radiation but longer than x-rays, between 0.02 and 0.4 micron (200 and 4000 angstrom).

A curve that indicates the number of hours per year that specific wind speeds occur.

A line led to a sail, but is not currently in use. The line currently in use is known as the working sheet. Usually the working and lazy sheets change when the boat is tacked.

A machine employing two or more stages.

A type of pressure-plate anemometer in which the plate, restrained by a stiff spring, is held perpendicular to the wind. The wind-activated motion of the plate is measured electrically. The natural frequency of this system can be made high enough so that ...

The test or specimen electrode in an electrochemical cell.

Incapable of being mixed without separation phases. Water and petroleum oil are immiscible under most conditions, although they can be made miscible with the addition of an emulsifier.

Aging under conditions of time and temperature greater than those required to obtain maximum change in a certain property, so that the property is altered in the direction of the initial value.,/dd>

Said of a lighthouse not tended.

A pressure-plate anemometer consisting of a plate which is free to swing about a horizontal axis in its own plane above its center of gravity. The angular deflection of the plate is a function of the wind speed. This instrument is not used for station mea ...

A term previously given to the most actively traded shares on the London Stock Exchange along with.

Short Range Certificate (radio)

A strategy in options trading in which an option is purchased at an exercise price above that of the.

Standardized weights or volumes for heating fuels.