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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. study.com › academy › lessonBase in Chemistry | Definition, Types & Examples - Study.com

   study.com › academy › lesson

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   Nov 21, 2023 · In chemistry, a base is defined as a molecule in an aqueous solution that can accept protons or donate electrons. They often taste bitter and are slippery to the touch....

3. strategically.co › blog › grammar-tipsUnderstanding Bases vs Basis: Clarifying the Difference

   strategically.co › blog › grammar-tips

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   Feb 7, 2024 · In the realm of English grammar, distinguishing between "bases" and "basis" can be puzzling for many. While they sound similar and are often used interchangeably, they serve distinct purposes and contexts. Let's delve into the nuances of "bases" and "basis" to unravel their meanings and usage.

4. www.geeksforgeeks.org › what-are-bases-definition-examplesWhat are Bases? – Definition, Examples, Types, Properties and...

   www.geeksforgeeks.org › what-are-bases-definition-examples

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   Aug 18, 2023 · Base is defined as the chemical compound whose pH value is greater than 7, accepts a proton, neutralizes acid, and turns red litmus to blue. They generally liberate OH – ion on dissociation. Examples include NaOH, NaHCO 3, etc.

5. www.scribbr.com › language-rules › base-wordBase Words | Definition & Examples - Scribbr

   www.scribbr.com › language-rules › base-word

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   Sep 23, 2023 · A base word is the most fundamental part of a word that has meaning. The meaning of a base word can be changed by adding letters at the beginning (prefix) and/or the end (suffix). However, base words can also be used as standalone words in English.

6. science.howstuffworks.com › strong-basesStrong Bases: Properties, Applications and Examples

   science.howstuffworks.com › strong-bases

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   Apr 11, 2024 · In the world of chemistry, bases are substances that can accept protons (H + ions) or donate pairs of electrons. When you dissolve bases in water, they increase the concentration of hydroxide ions (OH - ). A strong base, unlike a weak base, dissociates (separates) completely into ions when it dissolves in water.

7. sciencenotes.org › acid-base-chemistryAcid-Base Chemistry - Science Notes and Projects

   sciencenotes.org › acid-base-chemistry

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   Jan 13, 2024 · Learn the basics of acid-base chemistry. Get the definitions and examples of acids and bases and learn about the neutralization reaction.

8. www.investopedia.com › terms › bBase Currency: Definition, Example, vs. Quote Currency - ...

   www.investopedia.com › terms › b

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   Nov 30, 2023 · What Is Base Currency? The term base currency refers to the first currency that appears in a currency pair. In the foreign exchange market, currency unit prices are quoted as...

9. chemistrypubs.com › bases-definition-examples-types-theoriesBases: Definition, Examples, Types, Theories, Uses

   chemistrypubs.com › bases-definition-examples-types-theories

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   Sep 2, 2023 · Definition of Bases. Bases are chemical compounds that produce OH – ions instead of H + in the water. When it is soluble in water that known as alkali. The base has the ability to accept a proton from a donor. The weak bases have less ability to accept protons but the strong bases quickly accept protons in solution or from the donor molecules.

10. brighterly.com › math › base-of-an-exponentHow To Identify Base of an Exponent ⭐ Definition, Examples, Facts

    brighterly.com › math › base-of-an-exponent

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    Jan 1, 2024 · Definition of the Base of an Exponent. Before delving further into examples and properties, let’s formally define the base of an exponent. In an exponential expression, the base is the number that is subject to repeated multiplication.

11. study.com › academy › lessonStrong Base | Overview, Examples & Characteristics - Study.com

    study.com › academy › lesson

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    Nov 21, 2023 · A strong base is a substance that behaves like a base and dissociates completely to give a solution that is composed of its ions; conjugate acid and hydroxyl ions. Bases are substances...