Editing Longitudinal wave (section)

== Nomenclature ==
"Longitudinal waves" and "transverse waves" have been abbreviated by some authors as "L-waves" and "T-waves", respectively, for their own convenience.<ref>
{{cite book
 |first=Erhard |last=Winkler
 |year=1997
 |title=Stone in Architecture: Properties, durability
 |publisher=Springer Science & Business Media
 |url=https://books.google.com/books?id=u9zt12_gE-AC
 |via=Google books
 |pages=[https://books.google.com/books?id=u9zt12_gE-AC&pg=PA55 55], [https://books.google.com/books?id=u9zt12_gE-AC&pg=PA57 57]
}}
</ref>
While these two abbreviations have specific meanings in [[seismology]] (L-wave for [[Love wave]]<ref>
{{cite book
 |first=M. |last=Allaby |author-link=Michael Allaby
 |year=2008
 |title=A Dictionary of Earth Sciences |edition=3rd
 |publisher=Oxford University Press
 |url=http://www.oxfordreference.com/oso/viewentry/10.1093$002facref$002f9780199211944.001.0001$002facref-9780199211944-e-4890;jsessionid=ECBC0E5982D11489C3ACF1C7F4D391F9
 |via=oxfordreference.com
}}</ref> or long wave<ref>
{{cite book
 |first1=Dean A. |last1=Stahl
 |first2=Karen   |last2=Landen
 |year=2001
 |title=Abbreviations Dictionary   |edition=10th
 |publisher=[[CRC Press]]
 |page=618
 |url=https://books.google.com/books?id=t3fLBQAAQBAJ&pg=PA618
 |via=Google books
}}
</ref>) and [[electrocardiography]] (see [[T wave]]), some authors chose to use "ℓ-waves" (lowercase 'L') and "t-waves" instead, although they are not commonly found in physics writings except for some popular science books.<ref>
{{cite book
 |first=Francine |last=Milford
 |year=2016
 |title=The Tuning Fork
 |pages=43–44
 |url=https://books.google.com/books?id=SK3QDQAAQBAJ&pg=PA43
}}
</ref>