Abbreviations . Representation of a word in writing with one or more of its letters. These letters keep the same order as in the word to be abbreviated. An abbreviation is read by developing the entire abbreviated word.


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  • 1 Formation of abbreviations
  • 2 Plural of abbreviations
  • 3 Feminine of the abbreviations
  • 4 Capital letter of abbreviations
  • 5 Sources

Formation of abbreviations

To form an abbreviation you can:

  • Delete the letters or the final syllablesof a word . In this case, the abbreviation must not end in a vowel.

Examples: ex . (example), Poét . (poetic).

  • Leave only the most representative letters or syllables. In this case, the abbreviation may end in a vowel.

Examples: atte . (sincerely), Avda . (avenue).

  • When a word is abbreviated by a syllable that includes more than one consonant before the vowel, all of them must be written.

Example: intr . (intransitive)

  • As a general rule, abbreviations are written with a full stop, except in cases with curly letters (the period is then placed in front of that curly).

Examples: n. o (number), M. to (María)

  • Sometimes the dot is replaced by a bar.

Example: p / o (by order)

  • The symbols for the chemical elements and the units of weight and measurement are written without a period.

Examples: kg, Na

  • The abbreviations of the cardinal points do not have a point either.

Examples: N (North), S (South).

  • In the case of words with tilde, this is kept in the abbreviation.

Examples: p. (page), Admón. (administration)

Plural of abbreviations

If the abbreviation of a word is a single letter, it is duplicated. Examples: s. (next), ss. (following).

  • If the abbreviation does not keep the last letters of the abbreviated word, an “s” is added.

Examples: ex. (example), exs. (examples).

  • If the abbreviation maintains the last letters of the abbreviated word, the plural will be formed following the general plural formation rules.
  1. “s” is added if it ends in a vowel. Examples: dept. (department), departments (departments). 2. Add “es” if it ends in a consonant. Example: Mr.(sir), Messrs.(Gentlemen) Exceptions: You (you), you (you)

Abbreviations feminine

  • Generally the feminine is formed by replacing the final “o” of the masculine with an “a”.

Examples: right. (right), right (right)

  • If the masculine ends in a consonant, add an “a”, flown or not. If the abbreviation has been formed by removing the letters or the final syllables of a word, the feminine is formed by adding a flown “a”.

Examples: dir. (director), dir. to (director).

  • If the abbreviation has been formed by leaving the most representative letters or syllables, the feminine is formed by adding an “a”, flown or not.

Examples: Mr. (sir), Mrs. or Mr. a (lady)

  • There are abbreviations that serve both masculine and feminine.

Examples: Lic. (Bachelor or Bachelor), Left (Left or Left)

Capital letter of abbreviations

  • Abbreviations are generally capitalized or lowercase, as appropriate for the abbreviated word.

Examples: USA United States ), etc. (etc)

  • Exceptions to treatment formula abbreviations are always written with an initial capital letter, although the word without abbreviation is lowercase.

Examples: SM (Your Majesty), You (you), Mr. (sir), D. (gift)


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