specific absorption coefficient

(redirected from specific extinction)

spe·cif·ic ab·sorp·tion co·ef·fi·cient (a),

absorbance (of light) per unit path length (usually the centimeter) and per unit of mass concentration. Compare: molar absorption coefficient.

Synonym(s): absorbancy index (1) , absorptivity (1) , extinction coefficient, specific extinction

spe·cif·ic ab·sorp·tion co·ef·fi·cient

(a) (spĕ-sif'ik ăb-sōrp'shŭn kō'ĕ-fish'ĕnt)

Absorbance (of light) per unit path length (usually the centimeter) and per unit of mass concentration.
Compare: molar absorption coefficient
Synonym(s): absorbancy index (1) , absorptivity (1) , extinction coefficient, specific extinction.

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References in periodicals archive ?

The student will analyse aircraft in-situ measurements of the aerosol size distribution, the vertical profile of the scattering and aerosol optical depth derived from nephelometers and will use radiative scattering and transfer codes to derive the aerosol specific extinction coefficient for use in the inversion algorithms.

Developing the Resilience to Icelandic Volcanic Eruptions (DRIVE)

Specific extinctions have also contributed to the thinning numbers, and 42 per cent of bugs on the IUCN's Red List are categorised as being under threat.

Bug's life: it's not just the bees that are disappearing. Insects across the board are showing dramatic drops in population levels, leading to a serious knock-on effect for ecosystems everywhere