variants often L
plural l's or ls ˈelz How to pronounce l (audio) ; often L's or Ls
often attributive
1
a
: the 12th letter of the English alphabet
b
: a graphic representation of this letter
c
: a speech counterpart of orthographic l
2
3
: a graphic device for reproducing the letter l
4
: one designated l especially as the 12th in order or class
5
: something shaped like the letter L
specifically : ell entry 2 sense 1
6

l

2 of 4

abbreviation (1)

1
lady
2
lake
3
lambert
4
land
5
large
6
late
7
left
8
length
9
[Latin libra] pound
10
line
11
liquid
12
lira
13
liter
14
little
15
low

L

3 of 4

abbreviation (2)

1
Lagrangian
2
long
3
loss; losses

l-

4 of 4

prefix

1
ˌlē-(ˌ)vō, 
ˌel, 
ˈel
: levorotatory
l-tartaric acid
2
ˌel, 
ˈel
: having a similar configuration at a selected carbon atom to the configuration of levorotatory glyceraldehyde
—usually printed as a small capital
l-fructose

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Words Starting With L

Browse 11,988 words and phrases that start with the letter L, from la to lytic.

Examples of l in a Sentence

Noun a word that starts with an l a word that starts with l Abbreviation (1) The area of a rectangle is L x W.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
And to top it all off, the Tigers took a massive L on the recruiting trail on Sunday when their flip target, five-star wide receiver and former Texas commit Easton Royal, opted to head to Gainesville and play for the Gators. — Austin Perry Outkick, FOXNews.com, 11 Oct. 2026 The 10% pure L-ascorbic acid works to fight against free radical damage and even out skin tone, while a blend of hyaluronic acid and ceramides helps hydrate skin and fortify the skin barrier. — Deanna Pai, Vogue, 9 Oct. 2026 Police did not specify whether the attack happened on the subway level at the station, which serves the Red Line, or the 'L' level, which serves the Green and Orange lines. — Adam Harrington, CBS News, 6 Oct. 2026 Glycinate, citrate, and L-threonate are among the more bioavailable magnesium supplements. — Amy Brownstein, Verywell Health, 25 Sep. 2026 See All Example Sentences for l

Word History

Etymology

Prefix

International Scientific Vocabulary, from lev-

First Known Use

Noun

before the 12th century, in the meaning defined at sense 1a

Time Traveler
The first known use of l was before the 12th century

Browse Nearby Words

Cite this Entry

“L.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/l. Accessed 15 Oct. 2026.

Kids Definition

l

noun
ˈel
often capitalized
1
: the 12th letter of the English alphabet
2
: fifty in Roman numerals

Medical Definition

L

1 of 3 abbreviation
1
left
2
levorotatory
3
light
4
liquid
5
liter
6
lumbar
—used especially with a number from 1 to 5 to indicate a vertebra or segment of the spinal cord in the lumbar region

L

2 of 3 symbol
lithium

l-

3 of 3 prefix
1
ˌlē-(ˌ)vō, ˌel, ˈel
: levorotatory
—usually printed in italic
l-tartaric acid
2
ˌel, ˈel
: having a similar configuration at a selected carbon atom to the configuration of levorotatory glyceraldehyde
—usually printed as a small capital
L-fructose
L-tryptophan
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