Appendix:Lowercase letter

Translingual

Letter

[lowercase letter]

1. Sentence case: lowercase letters are the default or unmarked form of writing.
2. Single lowercase letter (either by itself, or as a combination of lowercase letters that can be used by themselves):
   1. Some symbols are composed of a single lowercase letter:
      1. Symbols of some units of measurement.

         m=metre, s=second

      2. (mathematics) Some symbols in mathematical notation.

         q=electrical charge, x=an unknown variable

   2. Sometimes used in Roman numerals; other times they are written in uppercase letters.

      i = 1, ii = 2, ..., v = 5

3. First-letter lowercase:
   1. Used in lower camel case.

      iPod; eBay

   2. Used in some abbreviations for units of measurement, formed with lowercase prefix + uppercase unit.

      kA=kiloampere

   3. In pH and pOH.
4. All lower case:
   1. As a style choice.
   2. Used in certain abbreviations and initialisms.

      a.m.; laser

   3. (computing) Used in file names, e-mail addresses and the domain names of a website.

      test2.txt; john.doe@example.com; www.example.com

   4. (computing) Used in terminal or command line interfaces.

      lib64 -> usr/lib

   5. (informal, text messaging) Informal writing (often avoiding the shift key, to type more quickly).

      hey john what u up to?

      just editing wikipedia

   6. (Internet, video games) Used in certain online usernames.

      @thedark_legend22

   7. (dictionaries) Entries are typically listed in lowercase.

      gibbering verb – to gibber.

English

Letter

[lowercase letter]

1. First-letter lowercase:
   1. Some proper nouns beginning with ff; in certain black letter typefaces, the capital F looked like (and was later taken to be) two lowercase fs.

      fforde; ffrench (surnames)

Afrikaans

Letter

[lowercase letter]

1. First-letter lowercase:
   1. 'n is never capitalised; when used at the beginning of a sentence, the following word is capitalised instead.