WordNet-Online
Free dictionary and thesaurus of English. Definitions, synonyms, antonyms and more...
Hint: double-click any word to get it searched!

	Enter your search terms Submit search form
	Web www.wordnet-online.com

Definitions from WordNet

Definitions from the Web

Absorption Band

Noun (Physics): A narrow range of wavelengths or frequencies at which a substance absorbs electromagnetic radiation.

Sample Sentence: The absorption band of chlorophyll in plants is responsible for absorbing light energy during photosynthesis.

Noun (Chemistry): A specific region in the electromagnetic spectrum where a molecule or compound absorbs light.

Sample Sentence: The absorption band of this compound falls within the ultraviolet range.

Noun (Spectroscopy): A characteristic pattern of absorption peaks or dips observed in a spectrum, indicating the presence of specific molecular bonds or functional groups.

Sample Sentence: The infrared spectrum of the compound displayed a strong absorption band, confirming the presence of a carbonyl group.

Noun (Astrophysics): A dark region in a stellar or nebular spectrum caused by the absorption of specific wavelengths of light by elements or compounds present in the object.

Sample Sentence: The absorption band in the star's spectrum indicates the presence of various chemical elements in its atmosphere.

Related products on Amazon:

• Absorption Spectroscopy
• Absorption Spectrometer
• UV-Visible Spectrophotometer