spectrophone

[机] 光谱测声器

词形变化

spectrophones 复数 spectrophones

释义与例句

n.
  1. 1.

    An instrument constructed on the principle of the photophone and used in spectrum analysis as an adjunct to the spectroscope.

  2. 2.

    An instrument that is used to investigate the vibration of polyatomic gases by measuring pressure vibrations in the gas upon radiation with infrared light

    物理

词源

From spectro- + -phone.

来源：wiktionary