L, l

[ el ]
/ ɛl /

noun, plural L's or Ls, l's or ls.

the 12th letter of the English alphabet, a consonant.
any spoken sound represented by the letter L or l, as in let, dull, cradle.
something having the shape of an L.
a written or printed representation of the letter L or l.
a device, as a printer's type, for reproducing the letter L or l.

Definition for l (2 of 14)

l


liter; liters.

Definition for l (3 of 14)

L

[ el ]
/ ɛl /

noun, plural L's or Ls.

Definition for l (4 of 14)

L

[ el ]
/ ɛl /

noun, plural L's or Ls. Informal.

an elevated railroad.

Definition for l (5 of 14)

L


Symbol.

the 12th in order or in a series, or, if I is omitted, the 11th.
(sometimes lowercase) the Roman numeral for 50.Compare Roman numerals.
Electricity. inductance.
Biochemistry. leucine.
Economics. a broad measure of total U.S. liquid assets, issued periodically by the Federal Reserve Board.Compare M

Definition for l (6 of 14)

L

1

British. pound; pounds.

Origin of L

1
From the Latin word lībra

Definition for l (7 of 14)

L

2

Definition for l (8 of 14)

l-


Symbol, Optics, Chemistry, Biochemistry.

levorotatory; levo- (distinguished from d-).
Compare l-.

Definition for l (9 of 14)

L-


Chemistry. levo-.
U.S. Military. (in designations of light aircraft) liaison: L-15.

Definition for l (10 of 14)

l.


Definition for l (11 of 14)

l-


Symbol, Biochemistry.

(of a molecule) having a configuration resembling the levorotatory isomer of glyceraldehyde: printed as a small capital, roman character (distinguished from d-).
Compare l-.

Definition for l (12 of 14)

Origin of L.

1
From the Latin word liber

Definition for l (13 of 14)

Origin of L.

2
From the Latin word locus

Definition for l (14 of 14)

L.

3

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for l

British Dictionary definitions for l (1 of 4)

l

L

/ (ɛl) /

noun plural l's, L's or Ls

the 12th letter and ninth consonant of the modern English alphabet
a speech sound represented by this letter, usually a lateral, as in label
  1. something shaped like an L
  2. (in combination)an L-shaped room

British Dictionary definitions for l (2 of 4)

l


symbol for

litre
physics lepton number

British Dictionary definitions for l (3 of 4)

L


symbol for

abbreviation for

Luxembourg (international car registration)

Word Origin for L

(for sense 8a) Latin libra pound

British Dictionary definitions for l (4 of 4)

L.

l.


abbreviation for

lake
left
length
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

Medicine definitions for l (1 of 3)

L


abbr.

left
limes (used with a lower case letter or a plus sign, or used with a subscript letter or plus sign as a symbol for various doses of toxin)
or l liter

Medicine definitions for l (2 of 3)

L-


pref.

Relating to the configuration of l-glyceraldehyde, a compound chosen as the basis for stereochemical nomenclature because it is the simplest carbohydrate that can form optical isomers:l-lactic acid.

Medicine definitions for l (3 of 3)

l-


pref.

To the left; levo:l-lactic acid.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for l

l


Abbreviation of length, liter
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.