Definitions

1. noun

An instrument used to measure the radiant power of electromagnetic radiation, especially in the infrared and submillimeter parts of the spectrum.

“The scientists used a bolometer to detect the faint signal of the distant galaxy.”

2. noun

A device that measures the energy of electromagnetic radiation, used in various applications including remote sensing and astronomical observations.

“The bolometer in the satellite was designed to measure the radiation emitted by the Earth’s surface.”

3. noun

A type of detector used in astrophysics and planetary science to measure the energy of cosmic radiation.

“The bolometer on the spacecraft was used to study the energy of the cosmic radiation emanating from the Sun.”