Absorption: The process, in which incident radiated energy is retained by the medium without being reflected or transmitted on passing through a medium.

 

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Absorption: The process in which incident radiant energy is retained by a substance. The absorbed radiation is then transformed into molecular energy.

Absorption Spectrum: A plot that shows how much radiation a substance absorbs at different wavelengths. Absorption spectra are unique for each element and compound and they are often used as chemical 'fingerprin . . . View Full Definition

Absorption Rate: The total number of vacant square feet of office space divided by the square footage leased per year historically. Used to analyze demand of office space in a given market area.

Reabsorption: The return to the blood of most of the water, sodium, amino acids, and sugar that were removed during filtration; occurs mainly in the proximal tubule of the nephron.

Absorption Spectroscopy: A technique for determining the concentration and structure of a substance by measuring the amound of electromagnetic radiation the sample absorbs at various wavelengths.

Specific Absorption Rate (SAR): A measure of the rate at which RF energy is absorbed by the body.

Molar Absorptivity: The absorbance per centimeter of path length when the concentration of absorbing material is 1 M; epsilon = A/(bc) where a, A, b, and c are the molar absorptivity, absorbance, path length in . . . View Full Definition

Path Length: In absorption spectroscopy, the length of a path taken by radiation through a sample.

Sorption: Assimilation of molecules of one substance by a material in a different phase. Adsorption (sorption on a surface) and absorption (sorption into bulk material) are two types of sorption phenomena.

Infrared Radiation: Electromagnetic radiation with wavelength longer than visible light but shorter than that of microwaves. Infrared radiation is produced by hot objects; absorption of infrared radiation cause . . . View Full Definition