Infrared (Noun)
Meaning 1
Electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves.
Classification
Nouns denoting natural phenomena.
Examples
- Thermal imaging cameras use infrared radiation to detect temperature differences in their surroundings.
- The sun emits a large amount of infrared radiation, which is felt as heat on the Earth's surface.
- Infrared telescopes are used to study objects in space that are too cool to emit visible light.
- Night vision goggles rely on the amplification of available infrared radiation to enhance vision in low-light conditions.
- Infrared spectroscopy is a technique used to identify the molecular composition of a substance by analyzing the infrared radiation it absorbs.
Synonyms
Hypernyms
Meaning 2
The infrared region of the electromagnetic spectrum; electromagnetic wave frequencies below the visible range; "they could sense radiation in the infrared".
Classification
Nouns denoting attributes of people and objects.
Examples
- The Earth's atmosphere is transparent to visible light but absorbs radiation in the infrared region of the electromagnetic spectrum.
- Specialized instruments can detect objects that emit radiation in the infrared part of the electromagnetic spectrum.
- Thermal imaging cameras can sense temperature differences by detecting infrared radiation emitted by objects.
- Astronomers use special instruments to study celestial objects that emit electromagnetic wave frequencies below the visible range, including infrared.
- Night vision goggles amplify the available light, but some newer models can also sense radiation in the infrared spectrum.