reflectometer

A scientific instrument used to measure the reflectance or reflectivity of a surface.

• 🇨🇳一种科学仪器，用于测量表面的反射率或反射系数。

1. Reflectance measurement device C2 formal scientific

   An instrument used to measure the reflectance or reflectivity of a surface, typically by comparing the amount of light reflected from the surface to a standard.

   • The engineer used a reflectometer to test the paint's reflectivity.
   • A reflectometer is essential for calibrating optical sensors.
   • The laboratory's new reflectometer can measure surfaces with high precision.

   🇨🇳反射率测量仪

• reflectometers plural form
• reflectometers' possessive plural form
• reflectometer's possessive singular form