reflectance
gb/ɹˈɛflˈɛktəns/ us/ɹˈɛflˈɛktəns/
C1
Anglais
~ 3200
reflektancia, visszaverési tényező
NOM
C1
TECHNICAL
1
Schéma d’usage :
[something] has a reflectance of [value]
The snow's high reflectance helps keep the region cool.
A hó magas reflektanciája segít hűvösen tartani a térséget.
Scientists measured the reflectance of the new material under different wavelengths.
A tudósok különböző hullámhosszakon mérték az új anyag reflektanciáját.
Low reflectance surfaces are often used to reduce glare in photography.
Satellite images use surface reflectance to study vegetation health.
The paint's reflectance determines how bright it appears in sunlight.
Exemples pédagogiques
Snow has a high reflectance.
A hónak magas a reflektanciája.
They measured the wall's reflectance.
Megmérték a fal reflektanciáját.
The mirror has high reflectance.
Dark cloth has low reflectance.
Erreur fréquente :
Learners sometimes confuse 'reflectance' with 'reflection'. 'Reflection' is the image or process, while 'reflectance' is a measured property.
Sens
proportion of light reflected
Collocations
high reflectance
|low reflectance
|reflectance value
|reflectance measurement
|surface reflectance
Synonymes
albedo (Used especially in astronomy and climate science to describe the reflectivity of planets or surfaces.)
|
reflectivity (A near-synonym in physics; sometimes used interchangeably but can refer more broadly to reflective properties.)
Antonymes
absorbance (Refers to the amount of light absorbed rather than reflected.)
|
transmittance (Refers to the amount of light that passes through rather than being reflected.)
Thèmes
science
|physics
|optics
Définition
How much light a surface sends back when light hits it.
The proportion of light or other radiation striking a surface that is reflected back rather than absorbed or transmitted.
Grammaire
Forme canonique
reflectance
API
GB/ɹˈɛflˈɛktəns/
US/ɹˈɛflˈɛktəns/
Syllabes et accentuation
re - flect - ance (3 syllabes)
Stress on 1st syllable (re)
Formes du mot
Noun
- Base: reflectance
- Plural: reflectances
Famille de mots
Forms
reflectances
noun
Core family
Related words
reflectively
adverb
reflector
noun
Negative and opposite forms
unreflective
adjective
nonreflective
adjective
Advanced or less common
reflectivity
noun
Expressions
Aucune expression n’est encore associée à cette entrée.