**L** is the twelfth letter of the Latin alphabet.

## History

The letter **L** is derived ultimately from the Semitic Lamed which stood for the phonetic value **/l/** as did the Greek letter Lambda Λ (upper case) or λ (lower case), as well as the equivalent Etruscan and Latin letters. In reference, it is spelled **el** or **ell**.

## Alternate representations

**Lima** represents the letter L in the NATO phonetic alphabet.

In international Morse code the letter L is DitDahDitDit: `· - · ·`

In Braille the letter L is represented as ⠇ (in Unicode), the dot pattern,

X.
X.
X.

### Computing

In Unicode the capital L is codepoint U+004C and the lowercase l is U+006C.

The ASCII code for capital L is 76 and for lowercase l is 108; or in binary 01001100 and 01101100, correspondingly.

The EBCDIC code for capital L is 211 and for lowercase l is 147.

The numeric character references in HTML and XML are "`L`" and "`l`" for upper and lower case respectively.

## Meanings for L

- In biochemistry, L is the symbol for leucine.
- In botany, L. is the standard abbreviation for Carolus Linnaeus when cited as the author of plants he described, as in e.g. Stone Pine
*Pinus pinea* L.
- In complexity theory, L is a complexity class of problems solvable in logarithmic space; see L (complexity).
- In electrical engineering, L is often the variable for inductance.
- In financial securities, L is the stock symbol for Liberty Media Corporation A
- In industry, L often denotes "large size".
- In international licence plate codes, L stands for Luxembourg.
- In navigation, L denotes the relative direction "left"; see left and right.
- In Roman numerals, L denotes the number fifty.
- The lowercase l is sometimes used in place of the number 1 in typewritten text. Some typewriters did not even have a key for the numeral, so a number of people have retained the habit even in the computer age.
- In the Metric system, l or L is symbol for litre or liter, the SI base unit for volume.
- In video games, L is the abbreviation for Luigi, a Nintendo character.
- When affixed to the back of a car, L often means learner.
- The city of Chicago, Illinois has an elevated train called the L.
- In computational complexity theory, L (complexity) is the class of all decision problems calculable in logarithmic space.

## See also

Ll, £

Two-letter combinations starting with L:

Letter-digit combinations starting with L:

Last updated: 02-06-2005 12:42:20

Last updated: 05-03-2005 17:50:55