ethoxide: meaning, definition, pronunciation and examples

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UK/ɪˈθɒksaɪd/US/ɪˈθɑksaɪd/

Technical/Scientific

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Quick answer

What does “ethoxide” mean?

A chemical compound where an ethyl group (C₂H₅) is bonded to an oxygen atom, typically as the anion C₂H₅O⁻ or in salts like sodium ethoxide.

Audio

Pronunciation

Definition

Meaning and Definition

A chemical compound where an ethyl group (C₂H₅) is bonded to an oxygen atom, typically as the anion C₂H₅O⁻ or in salts like sodium ethoxide.

Any salt, ester, or derivative containing the ethoxide ion, commonly used as a strong base or nucleophile in organic chemistry reactions such as deprotonations, esterifications, and alkoxide substitutions.

Dialectal Variation

British vs American Usage

Differences

No significant differences in meaning or usage between British and American English in technical contexts.

Connotations

Purely technical term with no regional connotative differences.

Frequency

Equally rare in both varieties, confined to chemistry.

Grammar

How to Use “ethoxide” in a Sentence

[preposition] with ethoxide[verb] ethoxide toreacts with ethoxide

Vocabulary

Collocations

strong
sodium ethoxidepotassium ethoxideethoxide ion
medium
ethoxide solutionethoxide basealkali ethoxide
weak
ethoxide catalystmetal ethoxideethoxide formation

Examples

Examples of “ethoxide” in a Sentence

verb

British English

  • No verb form exists.

American English

  • No verb form exists.

adverb

British English

  • No adverb form exists.

American English

  • No adverb form exists.

adjective

British English

  • No standard adjective form exists.

American English

  • No standard adjective form exists.

Usage

Meaning in Context

Business

Not used.

Academic

Used in chemistry textbooks and research papers on organic synthesis.

Everyday

Never used.

Technical

Used in laboratory manuals, chemical safety data sheets, and synthetic chemistry protocols.

Vocabulary

Synonyms of “ethoxide”

Strong

sodium ethoxide (when specified)ethoxy anion

Neutral

ethoxy saltethylate

Weak

alkoxide (broader category)base catalyst

Vocabulary

Antonyms of “ethoxide”

acidproton donorelectrophile

Watch out

Common Mistakes When Using “ethoxide”

  • Pronouncing it as 'ee-thoxide' (correct: ih-THOKS-ide).
  • Confusing it with 'methoxide' (which has a methyl group).
  • Using it in non-chemical contexts.

FAQ

Frequently Asked Questions

Yes, ethoxide compounds are often corrosive, moisture-sensitive, and can react violently with water or acids.

Ethoxide contains an ethyl group (C₂H₅), while methoxide contains a methyl group (CH₃).

No, it is a laboratory chemical used in industrial synthesis, not in consumer products.

It is a strong, non-nucleophilic base useful for deprotonating weak acids and promoting elimination or substitution reactions.

A chemical compound where an ethyl group (C₂H₅) is bonded to an oxygen atom, typically as the anion C₂H₅O⁻ or in salts like sodium ethoxide.

Ethoxide is usually technical/scientific in register.

Ethoxide: in British English it is pronounced /ɪˈθɒksaɪd/, and in American English it is pronounced /ɪˈθɑksaɪd/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • No idioms exist for this technical term.

Learning

Memory Aids

Mnemonic

Think: 'ETHyl' + 'OXide' = ETHOXIDE – an oxide (oxygen compound) related to the ethyl group.

Conceptual Metaphor

A molecular 'wrench' – used to 'loosen' or remove protons in chemical reactions.

Practice

Quiz

Fill in the gap
In the Claisen condensation, is often used as a base to deprotonate the ester.
Multiple Choice

Ethoxide is primarily classified as: