absorbance
noun Date: 1947 the ability of a layer of a substance to absorb radiation expressed mathematically as the negative common logarithm of transmittance

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • absorbance — [ apsɔrbɑ̃s ] n. f. • v. 1970; de absorbant ♦ Opt. Grandeur mesurant la diminution d intensité d un rayonnement après un parcours dans un milieu absorbant (⇒ absorption). ● absorbance nom féminin (de absorber) Grandeur caractérisant le pouvoir… …   Encyclopédie Universelle

  • Absorbance — Optical density redirects here. Optical density can also refer to index of refraction.[1] In spectroscopy, the absorbance A (also called optical density)[2][3] is defined as:[4] , where I is the inte …   Wikipedia

  • Absorbance — L absorbance mesure la capacité d un milieu à absorber la lumière qui le traverse. On l appelle également densité optique ou extinction. Il s agit d une grandeur sans unité donnée par la relation : L absorbance est définie par le logarithme… …   Wikipédia en Français

  • absorbance — absorbcijos geba statusas T sritis chemija apibrėžtis Pusiausvirasis absorbato ir jo prisotinto absorbento kiekių santykis. atitikmenys: angl. absorbance; absorption ability; absorption power; absorptivity rus. абсорбционная способность;… …   Chemijos terminų aiškinamasis žodynas

  • absorbance — optinis tankis statusas T sritis chemija apibrėžtis Į sistemą kritusios ir pro ją praėjusios šviesos intensyvumų santykio dešimtainis logaritmas. atitikmenys: angl. absorbance; absorbency; optical density rus. оптическая плотность …   Chemijos terminų aiškinamasis žodynas

  • absorbance — /ab sawr beuhns, zawr /, n. Physics. the capacity of a substance to absorb radiation, expressed as the common logarithm of the reciprocal of the transmittance of the substance. Also, absorbancy. [1945 50; ABSORB(ENT) + ANCE] * * * …   Universalium

  • absorbance — noun A logarithmic measure of the amount of light that is absorbed when passing through a substance …   Wiktionary

  • absorbance — In spectrophotometry, log of the ratio of the radiant power of the incident radiation to the radiant power of the transmitted radiation. SYN: absorbancy, absorbency, extinction (2), o …   Medical dictionary

  • absorbance —    The measure of concentration of material present; the negative log (base10) of transmittance [ log 1/T] of product of extinction coefficient, pathlength, and concentration, written as A = Ebc …   Forensic science glossary

  • absorbance — É™b sÉ”rbÉ™ns /É™b sɔː bÉ™ns n. percentage of the passage of light through a liquid; degree to which something is absorbed …   English contemporary dictionary

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”