microphotometer

A specialized scientific instrument, a type of densitometer, used to measure variations in optical density across a very small area of a sample.

• 🇨🇳一种专门的科学仪器，属于密度计的一种，用于测量样本极小区域的光密度变化。

1. Scientific instrument C2 formal scientific

   A specialized densitometer designed to measure variations in optical density across extremely small areas of a sample, such as a photographic plate or film.

   • The researcher used a microphotometer to analyze the spectral lines on the photographic plate.
   • A microphotometer can precisely measure the density of tiny spots on a film.
   • The laboratory acquired a new microphotometer for high-resolution density analysis.

   🇨🇳显微光度计

• microphotometers plural form
• microphotometers' possessive plural form
• microphotometer's possessive singular form