absorption feature (C1)
noun phrase
Pronunciation: əbˈsɔːrpʃən ˈfiːtʃər
Definition
A dip in a spectrum of light or other radiation that occurs when a substance absorbs specific wavelengths, revealing the chemical composition of the absorbing material.
Examples
Astronomers identified a prominent absorption feature in the spectrum of the distant galaxy.
The material's unique absorption feature allowed scientists to determine its molecular structure.
How to Use absorption feature
- absorption feature in the spectrum (collocation)
- A specific dip observed within the range of wavelengths of light or other radiation. — "The analysis revealed a significant absorption feature in the spectrum of the star."
- absorption feature of X (prepositional phrase)
- A characteristic dip in radiation caused by a particular substance or material. — "Scientists identified the absorption feature of the gas cloud."
- detect an absorption feature (collocation)
- To find or observe a specific dip in a spectrum. — "The new telescope was able to detect a faint absorption feature in the exoplanet's atmosphere."
Synonyms of absorption feature
Words with a similar meaning to absorption feature:
Antonyms of absorption feature
Words with the opposite meaning to absorption feature:
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