Cambridge American English Dictionary: Meanings & Definitions
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Cambridge Academic Content Dictionary

With comprehensive coverage of key academic terms as well as a broad range of everyday meanings, this monolingual dictionary is perfect for intermediate and upper-intermediate students of American English.

Cambridge Academic Content Dictionary is the best dictionary for general American English on Cambridge Dictionaries Online. Select "American English" from the list of dictionaries at the top of any page on Cambridge Dictionaries Online to search this dictionary.

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Key Features

More than 2,100 key words and meanings from the U.S. content areas

Words and meanings from U.S. and world history, English, algebra, geometry, art, biology, chemistry, earth science, physics, and other content areas are clearly labelled and explained. These can be main entries, such as hadron (from physics). Or they can be special meanings of more common words, such as the sense of line used in geometry.

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Thousands of natural example sentences show words in context: At assign, the examples show that people can be assigned jobs, people can be assigned to a place, and things can be assigned to people.

American Pronunciation

Hear the words spoken online with thousands of American English recordings: Try listening to the different pronunciations for the "control" sense of lead and the "metal" sense of lead.

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  • 20 Reference Pages cover place names, measurements, prefixes and suffixes, irregular verbs, punctuation, math and science symbols, biological classification, the periodic table, geologic time, a glossary of literary terms, and more.

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In other dictionaries...

Definitions of “expenditure” in other dictionaries
Translations of “expenditure” in other languages

If you search for a word, then decide you want to see what another Cambridge dictionary says about it, you can use the ‘In other dictionaries’ section on the right.

For example if you look up the definition for expenditure in British English, then want to find out what the American English dictionary says, click on ‘American English’. If you then want to find a Spanish translation for that word, click on ‘in Spanish’.

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