Welcome to Abbreviations. com! We are the world's largest and most comprehensive directory and search engine for acronyms, abbreviations and initialisms on the Internet.

Browse and search thousands of Abbreviations that start with A in our comprehensive reference resource.

Here are our most popular acronym and abbreviations as logged by our system — the number alongside the entry denotes the amount of searches conducted by our visitors in the last 24 hours.

Browse and search thousands of Miscellaneous Acronyms and Abbreviations in our comprehensive reference resource.

Some types of abbreviations are acronyms (some pronounceable, some initialisms) or grammatical contractions or crasis. An abbreviation is a shortening by any of these or other methods.

Browse and search thousands of Medical Acronyms and Abbreviations in our comprehensive reference resource.

Browse and search thousands of Tax Abbreviations and acronyms in our comprehensive reference resource.

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Browse and search thousands of Spanish Abbreviations and acronyms in our comprehensive reference resource.

Browse and search thousands of French Abbreviations and acronyms in our comprehensive reference resource.