monostearate: meaning, definition, pronunciation and examples

Technical / Very Low
UK/ˌmɒnəʊˈstɪəreɪt/US/ˌmɑːnoʊˈstɪreɪt/

Technical / Scientific

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Quick answer

What does “monostearate” mean?

A salt or ester derived from stearic acid where only one acidic hydrogen atom has been replaced.

Audio

Pronunciation

Definition

Meaning and Definition

A salt or ester derived from stearic acid where only one acidic hydrogen atom has been replaced.

A chemical compound, typically a white, waxy solid, used as an emulsifier or stabiliser in various industrial products like food, pharmaceuticals, cosmetics, and plastics.

Dialectal Variation

British vs American Usage

Differences

No significant lexical differences; it is a technical term with the same spelling and meaning in both varieties.

Connotations

Purely technical and neutral in both varieties.

Frequency

Extremely rare in general discourse but has equivalent, low frequency in technical texts in both UK and US English.

Grammar

How to Use “monostearate” in a Sentence

[Chemical] monostearate acts as an [emulsifier/stabiliser]The [product] contains [quantity] of [glycerol/sorbitan] monostearate.

Vocabulary

Collocations

strong
glycerol monostearatesorbitan monostearatecalcium monostearatecontains monostearate
medium
emulsifier monostearateadditive monostearatemonostearate is usedform of monostearate
weak
pure monostearatecommercial monostearatetechnical monostearateliquid monostearate

Examples

Examples of “monostearate” 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

  • The monostearate compound was isolated.
  • We need a monostearate emulsifier for this formulation.

American English

  • Check the monostearate content in the sample.
  • The monostearate additive is listed as GRAS.

Usage

Meaning in Context

Business

Used in procurement, quality control, or labelling discussions within food, cosmetics, or chemical manufacturing industries.

Academic

Appears in chemistry, food technology, and materials science papers discussing emulsifiers, surfactants, or compound formulations.

Everyday

Virtually never used; a consumer might see it listed in small print on an ingredient label.

Technical

Standard term in specifications, safety data sheets (SDS), chemical inventories, and formulation recipes.

Vocabulary

Synonyms of “monostearate”

Strong

emulsifier E471 (when referring to glycerol monostearate in food)

Neutral

GMS (glycerol monostearate)stearic acid ester

Weak

stabiliserthickening agent

Vocabulary

Antonyms of “monostearate”

unprocessed ingredientpure substance (without additives)

Watch out

Common Mistakes When Using “monostearate”

  • Misspelling as 'monosterate' or 'monostearine'. Incorrect pronunciation with stress on 'stea' as in 'steak' (/steɪ/) instead of 'stear' as in 'steer' (/stɪə/ or /stɪr/).

FAQ

Frequently Asked Questions

Specific monostearates like glycerol monostearate (E471) are generally recognized as safe (GRAS) by food authorities worldwide when used within approved limits as emulsifiers.

Its primary function is as an emulsifier or stabiliser, helping to blend ingredients that normally don't mix, like oil and water, to create a smooth, stable texture in products.

It can be derived from both natural sources (like plant or animal fats) or produced synthetically. The source is not indicated by the chemical name itself.

The most common place is on the ingredient list of processed foods, cosmetics (like lotions), pharmaceuticals (in pills as a binder), or plastics.

A salt or ester derived from stearic acid where only one acidic hydrogen atom has been replaced.

Monostearate is usually technical / scientific in register.

Monostearate: in British English it is pronounced /ˌmɒnəʊˈstɪəreɪt/, and in American English it is pronounced /ˌmɑːnoʊˈstɪreɪt/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • No idioms exist for this technical term.

Learning

Memory Aids

Mnemonic

Think: MONO (one) + STEAR (like 'steer', but think 'stea' for STEArin, fat) + ATE (makes it a chemical salt/ester). 'One fat molecule that's been reacted.'

Conceptual Metaphor

Chemical compounds as building blocks with specific 'jobs' (e.g., 'monostearate acts as a mediator between oil and water').

Practice

Quiz

Fill in the gap
In food science, is a common emulsifier used to prevent oil and water from separating.
Multiple Choice

In which product are you most likely to find monostearate listed as an ingredient?

Practise

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Five interactive tools to remember words, train your ear, and build vocabulary in real context — drawn from this dictionary.

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