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Learner’s Dictionary

The Cambridge Learner’s Dictionary has the words, phrases, and collocations that intermediate learners of British English need to know. Clear, simple definitions and audio pronunciations, with thousands of carefully chosen example sentences from the Cambridge English Corpus, help students write and speak English more naturally.

• 01 nine-to-five
• 02 be tied up
• 03 the final nail in the coffin idiom
• 04 have the edge on/over sb/sth idiom
• 05 in the same vein idiom

• 06 be up for sth idiom
• 07 lag behind (sb/sth)
• 08 pull yourself together
• 09 slip your mind idiom
• 10 be on edge idiom

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Find more information about this website at: www.oxfordlearnersdictionaries.com.

Oxford Learner’s Dictionaries

• Browse Dictionaries & Grammar
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• System Requirements
• Contact Us

• Oxford Learner’s Dictionaries API
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Oxford University Press is a department of the University of Oxford. It furthers the University’s objective of excellence in research, scholarship, and education by publishing worldwide

Key features

The Cambridge English Dictionary is based on original research on the unique Cambridge English Corpus, and includes all the words at CEFR levels A1–C2 in the English Vocabulary Profile. It’s ideal for anyone preparing for advanced-level Cambridge Exams or IELTS.

Get clear, simple definitions from the British, American, and Business dictionaries with just one search!

Hear the words spoken in British and American English
Thousands of real examples show how words are used
Guidewords take you to the exact meaning you are looking for
The Smart Vocabulary helps you expand your vocabulary with related words and phrases
Ideal for intermediate to advanced learners of English (CEFR levels A2–C2)
Based on the Cambridge English Corpus — a database of over 2 billion words

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• Unit Trusts
• Unit type
• unit type code
• unit type code
• Unit Type Code Consumption Factors File
• Unit Type-Code Availability
• Unit Under Inspection
• Unit Under Review
• Unit Under Test
• Unit Under Test Requirements Interface
• Unit Valuation System
• Unit Value Ratio
• Unit vector
• Unit vector
• Unit vector
• Unit vectors
• Unit vectors
• Unit Vehicle Authorization Summary
• unit vent
• Unit Ventilator

• Unit Ventilator
• Unit Victim Advocacy
• Unit Voting Counselor
• Unit Vulnerability List
• unit water content
• Unit Watts Out
• Unit Weapons Trainer
• Unit Web Site Requirements
• Unit weight
• Unit weight
• unit&rut=95fee8677a7433e4c03d877c11b22756178fda377fb81745e072e1419
• UNIT-1
• unit-area acoustical ohm
• Unit-Cell Waveguide
• unit-dose package
• Unit-Head Machine Tool
• Unit-Invariant Abelian
• Unit-level Command and Control
• Unit-Level Command Simulation
• Unit-Level Effectiveness Assessment Documentation
• Unit-Level Logistics System — Ground/Aviation/S4

• Unit-linked insurance plan
• unit-linked policy
• Unit-Liter Dose
• unit-membrane model
• unit-related equipment and supplies
• Unit-testing
• Unit-weighted regression
• Unit-weighted regression
• Unit.
• Unit/Mobile Conduct-Of-Fire Trainer
• Unit:187
• Unit4
• UNITA
• UNITA
• UNITA
• Unita Analisi Crimini Violenti
• Unita Blackwell
• Unita Blackwell Wright
• Unità di Conto Europea
• Unità di Documentazione e Informazione per la Ricerca Agraria
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All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.

Key features

The Cambridge English Dictionary is based on original research on the unique Cambridge English Corpus, and includes all the words at CEFR levels A1–C2 in the English Vocabulary Profile. It’s ideal for anyone preparing for advanced-level Cambridge Exams or IELTS.

Get clear, simple definitions from the British, American, and Business dictionaries with just one search!

Hear the words spoken in British and American English
Thousands of real examples show how words are used
Guidewords take you to the exact meaning you are looking for
The Smart Vocabulary helps you expand your vocabulary with related words and phrases
Ideal for intermediate to advanced learners of English (CEFR levels A2–C2)
Based on the Cambridge English Corpus — a database of over 2 billion words

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Possible causes are:

• an attempt to load a URL such as https://en.wikipedia.org/wiki/| (the | character is unsupported);
• an attempt to load a URL pointing to a «non-local» interwiki page (usually those not run by the Wikimedia Foundation). For example, the URL https://en.wikipedia.org/wiki/meatball:WikiPedia will give this error, because the «meatball:» interwiki prefix is not marked as local in the interwiki table. Certain interwiki prefixes are marked as local in the table. For example, the URL https://en.wikipedia.org/wiki/meta:Main_Page can be used to load meta:Main_Page. All interlanguage prefixes are marked as local, and thus URLs such as https://en.wikipedia.org/wiki/fr:Accueil will work as expected. However, non-local interwiki pages can still be accessed by interwiki linking or by entering them in the search box. For example [[meatball:WikiPedia]] can be used on a page, like this: meatball:WikiPedia.

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Example: Speedometer

What unit does this Speedometer measure?

It measures km/h (kilometers per hour)

So «220» means 220 kilometers per hour.

We usually write units just using their abbrevations.

Example: km for kilometer

Example: m/s (or m s -1 ) for meter per second

m/s is a unit of speed

Example: kg/m 3 (or kg m -3 ) for kilogram per cubic meter

kg/m 3 is a unit of density: how much mass per unit of volume.

Units of Measurement are «standardized», meaning that there is a well-defined standard way to measure 1 of them.

Example: For many years (1889 to 1960) there was the International Prototype Metre bar to show people exactly what 1 meter was.

But that wasn’t accurate enough!

Now «1 Meter» is defined as how far light travels in 1 /_299,792,458 of a second.

Unit

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Источники:

https://dictionary.cambridge.org/us/dictionary/learner-english/unit&rut=b8b803f7ffa5669aadb12144cf641ca22b199e86e161ab4ae3a7c6981cc35aee
https://www.oxfordlearnersdictionaries.com/definition/english/unit&rut=615d68ccf662f6d4ebb601eef39cd7c7b758b71c1f34e73acad4af4fd06fe98b
https://www.oxfordlearnersdictionaries.com/definition/american_english/unit&rut=c5cbb29cc347cd6244e94ed85f1f0255efbf4b96c35c39b9d0ae0dcf0c9fd263
https://dictionary.cambridge.org/dictionary/english/unit&rut=aecb4eeeaeff1b9de40546c6d126897668fe1ac56b90e4579a82f956d304656f
https://www.thefreedictionary.com/unit&rut=95fee8677a7433e4c03d877c11b22756178fda377fb81745e072e1419936eef6
https://dictionary.cambridge.org/us/dictionary/english/unit&rut=f3cba71477fa8bd0f90c937ea83771d69930a20d3033ff69b6e67d0ca052ece4
https://en.wikipedia.org/wiki/International_System_of_Units&rut=27b99745a76205d9f64231ba4850e035cdd919c738ada413ab1089fcde65f896
https://www.mathsisfun.com/measure/unit.html&rut=3e1c6817e5a769e1dfec5c9ead723d2a46aca67fc0e561eb90558c27147968b7
https://www.britannica.com/science/International-System-of-Units&rut=05d05aa03623f682c33329a842f2bbec0bbc6860c5ee6f4f893555daec72a1bd