a group of lines that are observed in the spectra of certain elements, as hydrogen, and that are caused by various couplings of the azimuthal quantum number and the angular momentum quantum number.
This is fineRead more in this article about some frequently asked questions and fun facts related to our definitions.
4 Ways to Structure Your SentencesThe four types of sentence structures are simple, compound, complex, and compound-complex. The quantity and arrangement of clauses determines the makeup of each type of sentence structure. A clause is a grouping of words with both a subject and a verb that can (but doesn’t always) form a sentence. If the clause can form a complete thought on its own, it’s considered an independent clause. …
- fine gael,
- fine kettle of fish,
- fine leg,
- fine nail,
- fine print,
- fine tune,
Compare hyperfine structure.
Origin of fine structure
First recorded in 1915–20
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012