Molar Absorptivity

Science / Chemistry / 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 cm, and concentration in mol/L, respectively. Molar absorptivities are sometimes written as absorption cross sections by expressing the concentration in units of mol/cm3, so that the molar absorptivity takes on units of cm2/mol.

Absorptivity

Science / Chemistry / Absorptivity: (a) extinction coefficient; absorption cross section; decadic absorptivity. Compare with molar absorptivity and absorbance. The absorbance of a solution per unit of path length and per unit concentrat MORE

Premolar

Health / Dentistry / Premolar: Another name for bicuspid. MORE

Six-Year Molar

Health / Dentistry / Six-Year Molar: The first permanent tooth to erupt, usually between the ages of five and six. MORE

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