microcapsule: meaning, definition, pronunciation and examples
Low frequency (C2)Technical, scientific, academic, pharmaceutical. Not used in everyday casual conversation.
Quick answer
What does “microcapsule” mean?
A tiny, spherical container with a diameter typically between 1 and 1000 micrometres, designed to hold and protect a core substance (liquid or solid) within a shell, allowing for controlled release or targeted delivery.
Audio
Pronunciation
Definition
Meaning and Definition
A tiny, spherical container with a diameter typically between 1 and 1000 micrometres, designed to hold and protect a core substance (liquid or solid) within a shell, allowing for controlled release or targeted delivery.
Beyond its technical definition, the term can be used metaphorically to describe any small, self-contained unit that protects something fragile or valuable, or a discrete, encapsulated piece of information or technology.
Dialectal Variation
British vs American Usage
Differences
No significant lexical or spelling differences. Pronunciation may vary slightly (see IPA). Usage contexts are identical.
Connotations
Identical technical connotations in both varieties.
Frequency
Equally low-frequency in technical registers of both BrE and AmE.
Grammar
How to Use “microcapsule” in a Sentence
microcapsule containing [substance]microcapsule of [substance]microcapsule embedded in [material]microcapsule designed to [function]to encapsulate [something] in a microcapsuleVocabulary
Collocations
Examples
Examples of “microcapsule” in a Sentence
verb
British English
- The active ingredient is microencapsulated to enhance its stability.
- Researchers aim to microencapsulate the probiotic bacteria.
American English
- The technology microencapsulates the fragrance for a longer-lasting scent.
- We need to microencapsulate the herbicide to prevent runoff.
adverb
British English
- [The adverb 'microcapsularly' is not standard and should be avoided. Use 'via microcapsules' or a descriptive phrase.]
American English
- [The adverb 'microcapsularly' is not standard and should be avoided. Use 'via microcapsules' or a descriptive phrase.]
adjective
British English
- The microcapsule technology is patented.
- They studied the microcapsule formulation's efficiency.
American English
- The fabric has a microcapsule coating that releases moisturizer.
- Microcapsule delivery systems are revolutionizing medicine.
Usage
Meaning in Context
Business
Used in marketing materials for advanced textiles, cosmetics (e.g., 'scrubs with microcapsules'), or agrochemical companies discussing slow-release fertilisers.
Academic
Common in materials science, pharmaceutical science, chemical engineering, and biomedical research papers discussing drug delivery, self-healing materials, or flavour preservation.
Everyday
Virtually never used, except potentially in advertisements for 'encapsulated' laundry detergents or skincare products.
Technical
The primary domain. Precise discussions of size, shell material (e.g., gelatin, polymer), release mechanisms (diffusion, rupture, dissolution), and loading capacity.
Vocabulary
Synonyms of “microcapsule”
Strong
Neutral
Vocabulary
Antonyms of “microcapsule”
Watch out
Common Mistakes When Using “microcapsule”
- Using 'microcapsule' to refer to any tiny particle. Mispronouncing it as /mɪkroʊ-/ instead of /maɪkroʊ-/. Treating it as a common noun in A2-B1 level writing.
FAQ
Frequently Asked Questions
Not exactly. 'Microcapsule' specifies a capsule structure (core and shell) and typically refers to sizes in the micrometre range (1-1000 µm). A 'nanoparticle' refers to size in the nanometre range (1-100 nm) and does not necessarily have a capsule structure; it can be solid.
The larger microcapsules (towards 1000 µm) might be just visible as tiny specks to the naked eye, but most require a microscope to be seen clearly.
Common examples include: 'scrubbing beads' in facial cleansers (though many are now being phased out), fragrance capsules in some laundry detergents or dryer sheets, and in some vitamin supplements or fortified foods designed for slow nutrient release.
The standard verb is 'to microencapsulate'. It means to enclose a substance within a microcapsule.
A tiny, spherical container with a diameter typically between 1 and 1000 micrometres, designed to hold and protect a core substance (liquid or solid) within a shell, allowing for controlled release or targeted delivery.
Microcapsule is usually technical, scientific, academic, pharmaceutical. not used in everyday casual conversation. in register.
Microcapsule: in British English it is pronounced /ˈmaɪ.krəʊˌkæp.sjuːl/, and in American English it is pronounced /ˈmaɪ.kroʊˌkæp.səl/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[None directly associated]”
Learning
Memory Aids
Mnemonic
Think of a 'microscopic space capsule' – a tiny vessel protecting its precious cargo (like vitamins or perfume) for a mission (like timed release in your body or on your skin).
Conceptual Metaphor
A PROTECTIVE BUBBLE or a TINY VAULT. The substance inside is a TREASURE/SECRET, and the shell is a SHIELD/WALL.
Practice
Quiz
In which of the following contexts is the term 'microcapsule' LEAST likely to be used accurately?