reflectivity
[/rɪˌflekˈtɪvɪti/]
nounfemininepl: reflectivities
refletividade
1. the quality or property of being reflective; the ability of a surface to reflect light or other radiation
The reflectivity of the mirror was nearly perfect, bouncing back almost all the light.
A refletividade do espelho era quase perfeita, refletindo quase toda a luz.
2. in physics, the fraction of incident electromagnetic radiation that is reflected by a surface, expressed as a ratio or percentage
The solar panel's reflectivity was measured to determine its efficiency.
A refletividade do painel solar foi medida para determinar sua eficiência.
3. the capacity to reflect or consider deeply; thoughtfulness
Her reflectivity on the matter showed genuine concern.
Sua refletividade sobre a questão demonstrou preocupação genuína.
In Brazilian scientific and engineering contexts, 'refletividade' is the standard technical term used in universities and research institutions. In the USA, 'reflectivity' is fundamental to fields like optics, solar energy engineering, and material science. The term is more prevalent in professional and academic settings rather than casual conversation in both cultures.
Related Idioms & Phrases
have reflectivity on something = think deeply about something
high reflectivity surface = surface that bounces back light effectively
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