/el/, n., pl. L's or Ls. Informal.an elevated railroad./el/, n., pl. L's or Ls.ell1.1. lambert; lamberts.2. language.3. large.4. Latin.5. left.6. length.7. Brit. pound; pounds. [ < L libra]8. long: denoting a size longer than regular, esp. for suits and coats made for tall men: 40L.9. longitude.10. Theat. stage left.1. the 12th in order or in a series, or, if I is omitted, the 11th.2. (sometimes l.c.) the Roman numeral for 50. Cf. Roman numerals.3. Elect. inductance.4. Physics. See kinetic potential.5. Biochem. leucine.6. Econ. a broad measure of total U.S. liquid assets, issued periodically by the Federal Reserve Board. Cf. M.
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