/ (ˌriːflɛkˈtɪvɪtɪ) /
Save This Word!
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
Also called: reflectiveness the quality or capability of being reflective
CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?
There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?
Question 1 of 7
Which sentence is correct?
Words nearby reflectivity
reflection, reflection density, reflection nebula, reflection plane, reflective, reflectivity, reflectometer, reflect on, reflector, reflectorize, reflet
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
How to use reflectivity in a sentence
The melting of sea ice, which changes the reflectivity of the planet, is an example of that.Why Obama Can't Wait on Climate|Matthew Dakotah|September 21, 2009|DAILY BEAST
The metal mirror possessed 97 per cent of the reflectivity of the glass mirror.America's Munitions 1917-1918|Benedict Crowell
There is no contraction of the visual fields; reflectivity is normal; Babinski's sign is absent.
There was no alteration in sensation or in reflectivity, or in electrical excitability.