Per Diem: The per person, per day cost of a cruise. There's a huge variation among (and even within) cruise lines but high range per diems for the highly competitive 7-night caribbean cruise market typically starts at $200 or above; mid range hover around $150; low range per diems are $100 or less.

 

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Per Diem: The per person, per day cost of a cruise. There's a huge variation among (and even within) cruise lines but high range per diems for the highly competitive 7-night caribbean cruise market ty . . . View Full Definition

Permanent Teeth: The thirty-two adult teeth that replace the baby, or primary teeth. Also known as secondary teeth.

Permanent Vegetative Cover: Trees, or perennial grasses, legumes, or shrubs with an expected life span of at least 5 years. Permanent cover is required on cropland entered into the Conservation Reserve Program.

Permanganate: Permanganate ion (mno4-) is a powerful oxidizing agent used in chemical analysis and water treatment. The ion has an intense purple color.

Permeable: Allows another material to pass through without effecting the existing material.

Permeability: A measure of the ease with which water penetrates a material.

Permanent Magnet Synchronous (PMR): (HYSTERESIS SYNCHRONOUS) A motor with magnets embedded into the rotor assembly, which enable the rotor to align itself with the rotating magnetic field of the stator. These motors have zero . . . View Full Definition

Permanent Insurance: Permanent insurance is a life insurance policy that provides a death benefit as long as you live, or in some cases until you turn 100, provided you continue to pay the required premiums. Wit . . . View Full Definition

Permanent Current: A current that runs continuously and is independent of tides and other temporary causes. Permanent currents include the general surface circulation of the oceans.

Permanence Tests: Methods of establishing whether long term permanence of an image has been achieved.