reflectance

Also found in: Thesaurus, Medical, Acronyms, Encyclopedia, Wikipedia.

Related to reflectance: transmittance, radiance, Spectral reflectance, diffuse reflectance

re·flec·tance

(rĭ-flĕk′təns)

The ratio of the total amount of radiation, as of light, reflected by a surface to the total amount of radiation incident on the surface.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

reflectance

(rɪˈflɛktəns) or

reflection factor

(Units) a measure of the ability of a surface to reflect light or other electromagnetic radiation, equal to the ratio of the reflected flux to the incident flux. Symbol: ρ Compare transmittance, absorptance

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

re•flect•ance

(rɪˈflɛk təns)

n.

the ratio of the intensity of reflected radiation to that of the radiation incident on a surface.

[1925–30]

ThesaurusAntonymsRelated WordsSynonymsLegend:

Switch to new thesaurus

Noun

reflectance - the fraction of radiant energy that is reflected from a surface

coefficient of reflection, reflection factor, reflectivity

coefficient - a constant number that serves as a measure of some property or characteristic

Translations

réflectance

Mentioned in ?

References in periodicals archive ?

Reflectance confocal microscopy is a US Food and Drug Administration (FDA)-approved device (since 2008) that is used to supplement the bedside management of skin lesions, such as skin cancers and inflammatory processes.

Diagnostic Accuracy of Reflectance Confocal Microscopy for Diagnosis of Skin Lesions: An Update

After strike measurements were recorded, we recorded the spectral reflectance and size of each of the stomatopod's meral spots.

Meral-Spot Reflectance Signals Weapon Performance in the Mantis Shrimp Neogonodactylus oerstedii (Stomatopoda)

As the Director of Target Technologies at Photon Research Associates, he developed the Coatings Reflectance Engineering Evaluation Program (CREEP) for performing light scattering analysis of pigmented paint coatings and composite surfaces and was the Director of IR/EO Materials Technology at McDonnell Douglas Technologies, Inc.

Surface Optics Corporation Presents at the 13th International IR Target and Background Modeling & Simulation Workshop

Reflectance confocal microscopy (RCM) is a noninvasive imaging modality that provides real-time, cellular-level resolution images.

Interim data show C[O.sub.2] laser ablation effective for early BCC

Wang and Zhang [8] indicated that metallic pigments significantly improved the reflectance of the HDPE composites.

Influence of Surface Topography, Crystallinity, and Thermal Conductivity on Reflectance and Color of Metallic-Effect High-Density Polyethylene Parts Filled With Aluminum Pigments

A series of glaze color measurements were carried out to evaluate the reflectance color profile of various transition metals in a clear glaze base.

The Science of Ceramic Glaze Color

Under the same measurement conditions, the difference between reflectance spectra of coal and carbonaceous shale mainly depends on the material compositions.

Characterization and Identification of Coal and Carbonaceous Shale Using Visible and Near-Infrared Reflectance Spectroscopy

Enface thickness maps and reflectance images were generated for each of 7 retinal layers (NFL, GCLIPL, INL, OPL, ONL, OSL, and RPE) based on segmentation of the 8 retinal interfaces in the SDOCT B-scans.

Association between Visual Acuity and Retinal Layer Metrics in Diabetics with and without Macular Edema

"Over the lifecycle of the pavement, the pavement material matters substantially more than the pavement reflectance," explains Ronnen Levinson, a researcher in Berkeley Lab's Heat Island Group.

Are cool pavements all they're cracked up to be? The unexpected consequences of reflective paving

Part one of our study explores how tornadoes affect the reflectance and commonly used indices derived from reflectance, such as the Normalized Difference Vegetation Index (NDVI) and the Tasseled Cap indices of brightness, greenness, and wetness, when comparing damaged forest, grassland, and urban land cover.

Landsat IDs tornado damage, and damage recovery in forests is evaluated

Within this context, the objective of this study was to characterize the variability of spectral reflectance and temporal profiles of vegetation indices associated with nitrogen fertilization, crop cycle periods, and predominating weather conditions during the winter canola growing season in southern Brazil.

Temporal dynamics of spectral reflectance and vegetation indices during canola crop cycle in southern Brazil/Dinamica temporal dos indices da reflectancia espectral e indices de vegetacao durante o ciclo da cultura de canola no Sul do Brasil

In general, the reflectance of a metal is governed by the amount of light reflected off the metal specularly [17].