monolayer: meaning, definition, pronunciation and examples
C2Formal / Technical
Quick answer
What does “monolayer” mean?
A single, closely packed layer of atoms, molecules, or cells.
Audio
Pronunciation
Definition
Meaning and Definition
A single, closely packed layer of atoms, molecules, or cells.
In chemistry and materials science, a film or coating that is exactly one molecule thick. In biology, a single, continuous layer of cells growing on a surface. More broadly, any structure or assembly forming a single atomic or molecular layer.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning or usage. Minor potential variation in hyphenation (monolayer vs. mono-layer), but the single-word form is standard in both.
Connotations
Purely technical. Conveys precision, control at the nanoscale, and fundamental surface properties.
Frequency
Equally rare and specialised in both varieties, appearing almost exclusively in scientific literature and discourse.
Grammar
How to Use “monolayer” in a Sentence
[material] forms a monolayer on [surface]a monolayer of [material]to deposit/adsorb a monolayerthe [property] of the monolayerVocabulary
Collocations
Examples
Examples of “monolayer” in a Sentence
verb
British English
- The surfactant will monolayer on the water surface.
- Researchers attempted to monolayer the organic molecules on gold.
American English
- The compound monolayers on the silicon substrate.
- The technique allows us to monolayer the catalyst particles.
adverb
British English
- The molecules adsorbed monolayerly onto the surface.
- The film grew monolayerly, as confirmed by spectroscopy.
American English
- The cells spread monolayerly across the culture dish.
- The material was arranged monolayerly on the interface.
adjective
British English
- We observed monolayer coverage on the electrode.
- The monolayer film exhibited unique electrical properties.
American English
- They achieved monolayer deposition using the new method.
- The monolayer graphene sample was prepared for testing.
Usage
Meaning in Context
Business
Virtually never used except in highly specialised start-ups or reports in nanotechnology, pharmaceuticals, or advanced materials.
Academic
Primary context. Common in research papers, theses, and textbooks in chemistry, physics, materials science, and biological sciences.
Everyday
Extremely unlikely to be encountered.
Technical
Core context. Used in lab reports, technical specifications, patent applications, and discussions among scientists and engineers.
Vocabulary
Antonyms of “monolayer”
Watch out
Common Mistakes When Using “monolayer”
- Using 'monolayer' to describe a thin but multi-atomic film (e.g., 'a monolayer of paint').
- Pronouncing it as /mɒˈnəʊlɛə/ (stress on the second syllable).
- Misspelling as 'mono-layer' or 'mono layer'.
FAQ
Frequently Asked Questions
No. While all monolayers are thin films, not all thin films are monolayers. A 'thin film' can be many atoms or molecules thick, whereas a 'monolayer' is strictly one molecule or one atom thick.
Yes, though it is less common and highly technical. In scientific writing, you might see 'the molecules monolayer on the surface,' meaning they form a monolayer.
A very close example is a layer of oil on water, like a rainbow patch on a puddle. When the oil is exactly one molecule thick, it is a monolayer. Soap bubbles are also made of monolayers (bilayers, actually).
A monolayer is a single layer. A bilayer consists of two adjacent monolayers, often facing each other. Cell membranes are a classic example of a phospholipid bilayer.
A single, closely packed layer of atoms, molecules, or cells.
Monolayer is usually formal / technical in register.
Monolayer: in British English it is pronounced /ˈmɒnə(ʊ)ˌleɪə/, and in American English it is pronounced /ˈmɑːnəˌleɪər/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Imagine a MONO (single) record LAYER on a turntable. Just as it's one flat layer of vinyl, a 'monolayer' is one flat layer of molecules.
Conceptual Metaphor
A CARPET (a single, uniform covering on a floor). A SHEET OF PAPER (a single, thin, continuous plane).
Practice
Quiz
In which field is the term 'monolayer' LEAST likely to be used?