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• Lys
  Lys

  noun

  a river in W Europe, in N France and W Belgium, flowing NE into the Scheldt River at Ghent. 120 miles (195 km) long.
• lys-
  lys-

  a combining form meaning “lysis,” “decomposition,” used in the formation of compound words.

Lys

¹ American  

[lees] / lis /

noun

1. a river in W Europe, in N France and W Belgium, flowing NE into the Scheldt River at Ghent. 120 miles (195 km) long.

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Lys ² American  

abbreviation

Biochemistry.

1. lysine.

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lys- ³ American  

1. a combining form meaning “lysis,” “decomposition,” used in the formation of compound words.

   lysin.

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lys- British  

combining form

1. a variant of lyso-

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Etymology

Origin of lys-

From Greek; see origin at lysis

Example Sentences

Eva Lys beat Suzan Lamens 6-2, 6-2 and Germany also took the doubles for a 3-0 sweep.

From Barron's • Jan. 4, 2026

Lys Mendez, the board’s communications director, said a fully staffed team handled the application process, which included testing the website and checking for technical issues.

From Los Angeles Times • Dec. 20, 2024

There was a restaurant that had been there for many, many years that closed, Fleur De Lys.

From Salon • Oct. 6, 2024

For Frantzces Lys, it was also important to be around people who are passionate about traveling.

From Seattle Times • Apr. 1, 2023

"So it is said in Oldtown, and Dome, and Lys, and all the other ports where we have called."

From "A Clash of Kings" by George R.R. Martin