Abbreviations and letters
When we abbreviate a word or phrase, we shorten it. Abbreviations can be formed from the first letters of the word or phrase. In such cases, we normally say them by spelling out each letter: …

abbreviation | American Dictionary

abbreviation
noun[ C ]
us/əˌbri·viˈeɪ·ʃən/
a shortened form esp. of a word or phrase:
UN is the abbreviation for the United Nations.
The letters i.e. are an abbreviation of a Latin phrase that means "that is."

Examples of abbreviation

abbreviation
At this point it will be convenient to introduce some abbreviations to save space in diagrams.
See table 1 for abbreviations of names of populations.
The language extends simple arithmetic (with addition, subtraction, multiplication and division) by adding user-definable constants (abbreviations) and user-definable unary functions.
The ring is dated on artistic grounds, a dating supported by the script and the large quantity of abbreviation used.
It is nondeterministic in the backward direction; multiple word sequences may yield the same abbreviation.
Other examples include the common practice of eliminating vowels in creating abbreviations or program identifiers.
The section ends with a brief note on etymology, including one or two pointers to etymological abbreviations and conventions found in dictionaries.
Type abbreviations can help simplify the presentation of concrete types, but abstract encodings require type variables and those variables need to appear in the interface.
Such modifications are cunning, especially given her abbreviations elsewhere.
In addition to serving as abbreviations, class types can be combined to establish new class types.
The dictionary includes over 12 000 entries with over 640 abbreviations listed in a separate table.
The same abbreviations appear in reverse order beneath the characters' names and have been crossed out.
Because of this, e-mail writers start using abbreviations, omitting subject pronouns and auxiliaries, and decapitalizing the initial letters in sentences or proper nouns.
We begin by defining a convenient -calculus formula abbreviation, using familiar notation.
Four appendices follow, containing origin of life models, definitions of life, a dictionary of technical terms and a list of abbreviations.
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These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.