phyllosilicate: meaning, definition, pronunciation and examples
LowAcademic / Technical
Quick answer
What does “phyllosilicate” mean?
A mineral with a layered structure of silicate tetrahedra forming sheets.
Audio
Pronunciation
Definition
Meaning and Definition
A mineral with a layered structure of silicate tetrahedra forming sheets.
A large class of silicate minerals characterized by their sheet-like crystal structure, common in clay, mica, and many metamorphic rocks.
Dialectal Variation
British vs American Usage
Differences
No significant differences in usage, spelling, or meaning. Purely technical term.
Connotations
Identical connotations of scientific precision in both varieties.
Frequency
Equally rare in general English, used exclusively in geological/mineralogical contexts in both regions.
Grammar
How to Use “phyllosilicate” in a Sentence
[subject] is a phyllosilicateThe sample contains [quantifier] phyllosilicateclassified as a phyllosilicateVocabulary
Collocations
Examples
Examples of “phyllosilicate” in a Sentence
adjective
British English
- The phyllosilicate clays were analysed.
American English
- We studied the phyllosilicate components.
Usage
Meaning in Context
Business
Unused outside of specialised mining or materials science companies.
Academic
Core term in geology, mineralogy, soil science, and materials chemistry.
Everyday
Extremely rare. Only used by enthusiasts or professionals discussing rocks/minerals.
Technical
Precise classification for minerals like micas, chlorites, clays, and talc.
Vocabulary
Synonyms of “phyllosilicate”
Neutral
Weak
Vocabulary
Antonyms of “phyllosilicate”
Watch out
Common Mistakes When Using “phyllosilicate”
- Misspelling as 'philicate' or 'phillosilicate'.
- Using it as a general term for any shiny or layered rock instead of its precise mineralogical meaning.
FAQ
Frequently Asked Questions
Not exactly. Many clay minerals ARE phyllosilicates, but 'clay' is a particle-size and plasticity term, while 'phyllosilicate' describes a specific crystal structure. Not all phyllosilicates are clays (e.g., mica).
Yes. Talc (used in talcum powder), the micas (muscovite, biotite), and the clay minerals kaolinite and montmorillonite are all common phyllosilicates.
Their sheet structure gives them distinctive physical properties like perfect cleavage (splitting into sheets), softness, and plasticity when fine-grained, which influences their industrial uses and behaviour in soils and rocks.
No. It is a highly specialised scientific term. You will only encounter it in geological texts, academic papers, or when discussing mineralogy in depth.
A mineral with a layered structure of silicate tetrahedra forming sheets.
Phyllosilicate is usually academic / technical in register.
Phyllosilicate: in British English it is pronounced /ˌfɪlə(ʊ)ˈsɪlɪkeɪt/, and in American English it is pronounced /ˌfɪloʊˈsɪlɪkeɪt/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think of PHYLLO pastry - thin, flaky sheets. PHYLLOsilicate minerals also have a thin, sheet-like structure.
Conceptual Metaphor
MINERAL STRUCTURE IS ARCHITECTURE (sheets/layers as building blocks).
Practice
Quiz
In which scientific field is the term 'phyllosilicate' most precisely used?