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

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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 ?

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