Related Words

Primary Source Verification: A process through which an organization validates credentialing information from the organization that originally conferred or issued the credentialing element to the practitioner.

Primary Root: The first root formed by a plant.

Primary Recovery: Any crude oil or natural gas that is recovered from a well as a result of the natural pressure within the reservoir.

Primary Radar: Primary radar systems receive reflections of their own transmitted signals as returned signals from the target.

Primary Production: The production of living matter by photosynthesizing organisms or by chemosynthesizing organisms. Usually expressed as grams of carbon per square meter per year

Primary Seismic Waves: The fastest set of earthquake vibrations - also known as P-waves. They move through the Earth in compression and expansion motions (much like sound waves move through air). Called primary be . . . View Full Definition

Primary Source: Literary scholars distinguish between primary sources, secondary sources, and educational resources. Students should also. To understand the difference, click here.

Primary Teeth: The first set of teeth that humans get, lasting until the permanent teeth come in. Also referred to as deciduous teeth or baby teeth.

Primary Structure: The sequence of amino acids in a protein.

Primary Standard: A stable, high-purity material used in titrations and other chemical analyses to prepare solutions of precisely known concentration, or to determine the concentrations of substances which re . . . View Full Definition