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1. Dictionary

   base

   /beɪs/

   noun

   • 1. the lowest part or edge of something, especially the part on which it rests or is supported: "she sat down at the base of a tree" Similar foundationbottomfootsupportpropstaystandpedestalplinthrestbedsubstructureOpposite top
   • ▪ the part of a column between the shaft and pedestal or pavement.
   • ▪ the end at which a part or organ is attached to the trunk or main part: "a shoot is produced at the base of the stem"
   • ▪ a line or surface on which a figure is regarded as standing: "the base of the triangle"
   • ▪ a known line used as a geometrical base for trigonometry.
   • ▪ the lowest part of a shield.
   • 2. a conceptual structure or entity on which something draws or depends: "the town's economic base collapsed"
   • ▪ a foundation or starting point for further work: "she uses existing data as the base for the study" Similar basisbedrockfoundationcoreessenceessentialnitty-grittybasicsstarting pointkey componentfundamentalroot(s)heartbackbonetheoryprinciplerationalesourceoriginspringwell headfountainheadfount
   • ▪ a group of people regarded as supporting an organization, for example by buying its products: "a customer base"
   • 3. a place used as a centre of operations by the armed forces or others; a headquarters: "he headed back to base" Similar headquarterscentrestarting pointcampsitestationsettlementpost
   • ▪ the main place where a person works or stays: "she makes the studio her base"
   • 4. a main or important element or ingredient to which other things are added: "soaps with a vegetable oil base" Similar mediumvehiclecarrier
   • ▪ a substance into which a pigment is mixed to form paint, such as water, oil, or powdered aluminium hydroxide.
   • ▪ a substance used as a foundation for make-up: "her make-up artist works with base, eye make-up, and lipstick"
   • 5. a substance capable of reacting with an acid to form a salt and water, or (more broadly) of accepting or neutralizing hydrogen ions.
   • ▪ a purine or pyrimidine group in a nucleotide or nucleic acid.
   • 6. the middle part of a bipolar transistor, separating the emitter from the collector.
   • 7. the root or stem of a word or a derivative.
   • ▪ the uninflected form of a verb.
   • 8. a number used as the basis of a numeration scale.
   • ▪ a number in terms of which other numbers are expressed as logarithms.
   • 9. each of the four stations that must be reached in turn to score a run.

   verb

   • 1. use (something specified) as the foundation or starting point for something: "the film is based on a novel by Pat Conroy" Similar foundbuildconstructformestablishgroundrootuse as a basisresthingeemanate fromderive fromspring fromstem fromoriginate inhave its origin incan be traced back to
   • 2. situate at a specified place as the centre of operations: "the Science Policy Review Unit is based at the University of Sussex" Similar locatestationsituatepostpositionplaceinstalldeploysiteestablishgarrison

   Word Origin Middle English: from Old French, from Latin basis ‘base, pedestal’, from Greek.

   Scrabble Points: 6

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2. dictionary.cambridge.org › dictionary › englishBASE | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › dictionary › english

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   BASE definition: 1. the bottom part of an object, on which it rests, or the lowest part of something: 2. the main…. Learn more.

3. www.vocabulary.com › dictionary › baseBase - Definition, Meaning & Synonyms | Vocabulary.com

   www.vocabulary.com › dictionary › base

   A base is the lowest part or bottom of something. Think base of a statue, base of a triangle, or base camp below Mount Everest. The homophone bass refers to the deepest or lowest sound of a voice, guitar, or another instrument. And the bass that rhymes with pass is a fish that swims in rivers, lakes, and seas.

4. www.merriam-webster.com › dictionary › baseBase Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › base

   • Cached

   1. a. : the bottom of something considered as its support : foundation. the base of the mountain. the lamp's heavy base. biology : that part of a bodily organ by which it is attached to another more central structure of the organism. the base of the thumb. c architecture. (1)

5. www.collinsdictionary.com › dictionary › englishBASE definition and meaning | Collins English Dictionary

   www.collinsdictionary.com › dictionary › english

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   1. countable noun B2. The base of something is its lowest edge or part. There was a cycle path running along this side of the wall, right at its base. Line the base and sides of a 20cm deep round cake tin with paper. Synonyms: bottom, floor, lowest part, deepest part More Synonyms of base. 2. countable noun B2.

6. dictionary.cambridge.org › dictionary › learner-englishBASE | meaning - Cambridge Learner's Dictionary

   dictionary.cambridge.org › dictionary › learner-english

   • Cached

   BASE definition: 1. the bottom part of something, or the part something rests on: 2. the most important part of…. Learn more.

7. www.oxfordlearnersdictionaries.com › definition › englishbase noun - Definition, pictures, pronunciation and usage notes...

   www.oxfordlearnersdictionaries.com › definition › english

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   Definition of base noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

8. www.thefreedictionary.com › baseBase - definition of base by The Free Dictionary

   www.thefreedictionary.com › base

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   1. The lowest or bottom part: the base of a cliff; the base of a lamp. 2. Biology. a. The part of a plant or animal organ that is nearest to its point of attachment. b. The point of attachment of such an organ. 3. a. A supporting part or layer; a foundation: a skyscraper built on a base of solid rock. b.

9. www.oxfordlearnersdictionaries.com › definition › englishbase verb - Definition, pictures, pronunciation and usage notes...

   www.oxfordlearnersdictionaries.com › definition › english

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   to use a particular city, town, etc. as the main place for a business, holiday, etc. be based in… The organization is now based in Geneva. base something/somebody in… They decided to base the new company in York. base yourself in… We're going to base ourselves in Tokyo and make trips from there. base somebody/something/yourself + adv./prep.

10. www.ldoceonline.com › dictionary › basebase | meaning of base in Longman Dictionary of Contemporary...

    www.ldoceonline.com › dictionary › base

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    base meaning, definition, what is base: to have your main place of work, busines...: Learn more.

11. byjus.com › chemistry › base-meaningBase Meaning and Definition (With Properties, Examples, and FAQs)...

    byjus.com › chemistry › base-meaning

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    In the field of chemistry, a ‘base’ can be defined as a substance that releases hydroxide ions when dissolved in aqueous media. Typically, basic substances have a bitter taste (especially alkalis) and are slippery to the touch.