microsphere: meaning, definition, pronunciation and examples
C2Technical, Academic, Scientific
Quick answer
What does “microsphere” mean?
A microscopic spherical particle.
Audio
Pronunciation
Definition
Meaning and Definition
A microscopic spherical particle.
A small, usually spherical particle with a diameter in the micrometre range, often used in scientific and industrial applications for its uniform properties. In broader contexts, it can conceptually represent any very small, encapsulated, or self-contained unit.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or spelling. Pronunciation may follow regional patterns for the 'micro-' prefix and the vowel in 'sphere'.
Connotations
Identical technical connotations in both varieties.
Frequency
Equally low-frequency and specialised in both varieties, confined to technical contexts.
Grammar
How to Use “microsphere” in a Sentence
[verb] + microsphere(s): synthesize, fabricate, inject, functionalise, coat, characterise, encapsulate withinmicrosphere(s) + [verb] + [object]: microspheres deliver/release/contain (a drug)microsphere(s) + [prepositional phrase]: microspheres with a porous surface, microspheres in a suspensionVocabulary
Collocations
Examples
Examples of “microsphere” in a Sentence
verb
British English
- The drug was microsphered to enhance its delivery.
- Researchers aim to microsphere the active ingredient for controlled release.
American English
- The lab microsphered the compound for the new assay.
- They developed a method to microsphere the catalyst.
adverb
British English
- The particles were distributed microspherically throughout the gel.
- The material fragments microspherically under stress.
American English
- The drug is designed to release microspherically over time.
- The coating applied microspherically ensures even coverage.
adjective
British English
- The microspheric formulation showed improved stability.
- We analysed the microspheric properties of the sample.
American English
- The microspheric delivery system is patent-pending.
- Microspheric particles were observed under the microscope.
Usage
Meaning in Context
Business
Rare, except in specific industries like specialty chemicals, pharmaceuticals, or advanced materials marketing.
Academic
Common in research papers and theses in materials science, chemical engineering, pharmaceuticals, biomedical engineering, and colloidal science.
Everyday
Virtually never used.
Technical
The primary register. Used precisely to describe a specific type of particulate material with defined size and often functional properties.
Vocabulary
Synonyms of “microsphere”
Strong
Neutral
Weak
Vocabulary
Antonyms of “microsphere”
Watch out
Common Mistakes When Using “microsphere”
- Misspelling as 'microspear' or 'microsphear'.
- Using it in general conversation where 'tiny ball' or 'bead' would suffice.
- Confusing it with 'microsphere' as a brand or product name.
FAQ
Frequently Asked Questions
Not exactly. 'Microsphere' specifies a spherical shape and a size generally in the micrometre (10^-6 m) range. 'Nanoparticle' refers to particles in the nanometre (10^-9 m) range, which are about 1000 times smaller, and does not specify shape.
Typically, no. Individual microspheres are microscopic. However, a large collection of them (e.g., as a powder) is visible.
Certain cosmetic exfoliants (now often phased out for environmental reasons) and some high-performance paints or plastics used to contain plastic microspheres or microbeads.
Primarily, yes. However, in highly technical jargon, it can be verbed ('to microsphere') or used adjectivally ('microspheric particles'), though these forms are rare.
A microscopic spherical particle.
Microsphere is usually technical, academic, scientific in register.
Microsphere: in British English it is pronounced /ˈmaɪ.krəʊˌsfɪər/, and in American English it is pronounced /ˈmaɪ.kroʊˌsfɪr/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “No established idioms.”
Learning
Memory Aids
Mnemonic
Think of a MICRObe that is perfectly SPHERical. A MICROSPHERE is a perfectly round, micro-sized particle.
Conceptual Metaphor
A MICROSPHERE IS A CONTAINER (for drugs, dyes, chemicals). A MICROSPHERE IS A BUILDING BLOCK (for advanced materials).
Practice
Quiz
In which field is the term 'microsphere' MOST commonly used?