re·flec·tiv·i·ty

(rē′flĕk-tĭv′ĭ-tē)

n. pl. re·flec·tiv·i·ties

1. The quality of being reflective.

2. The ability to reflect.

3. Physics The ratio of the energy of a wave reflected from a surface to the energy possessed by the wave striking 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.

reflectivity

(ˌriːflɛkˈtɪvɪtɪ)

1. (General Physics) physics a measure of the ability of a surface to reflect radiation, equal to the reflectance of a layer of material sufficiently thick for the reflectance not to depend on the thickness

2. Also called: reflectiveness the quality or capability of being reflective

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

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun	1.	reflectivity - the fraction of radiant energy that is reflected from a surface coefficient of reflection, reflectance, reflection factor coefficient - a constant number that serves as a measure of some property or characteristic
	2.	reflectivity - the ability to reflect beams or rays reflexion, reflection physical property - any property used to characterize matter and energy and their interactions echo, reverberation, sound reflection, replication - the repetition of a sound resulting from reflection of the sound waves; "she could hear echoes of her own footsteps" echo - a reflected television or radio or radar beam
	3.	reflectivity - the capability of quiet thought or contemplation reflectiveness thoughtfulness - the trait of thinking carefully before acting

Translations

reflectivity

n (Phys) → Reflexionsvermögen nt

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007