crystal form: meaning, definition, pronunciation and examples
LowScientific, Technical, Literary
Quick answer
What does “crystal form” mean?
The characteristic external shape of a crystalline substance, defined by its symmetry and geometry.
Audio
Pronunciation
Definition
Meaning and Definition
The characteristic external shape of a crystalline substance, defined by its symmetry and geometry.
In a broader sense, can refer to a particular way in which something is structured or appears, suggesting clarity and definiteness.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning or usage; both varieties use the term identically in scientific contexts.
Connotations
Identical; evokes precision, science, and natural geometry.
Frequency
Equally low frequency in both dialects outside specialist fields.
Grammar
How to Use “crystal form” in a Sentence
exhibit a crystal formhave the crystal form ofgrow in a crystal formtake on a crystal formVocabulary
Collocations
Examples
Examples of “crystal form” in a Sentence
verb
British English
- The solution slowly began to crystal form on the glass rod.
- Under pressure, the carbon will crystal form into diamond.
American English
- The solution slowly began to crystalize into a specific form.
- Under pressure, the carbon will crystallize into a diamond form.
adverb
British English
- The mineral grew crystal-form perfectly.
American English
- The mineral grew in a perfectly crystal-formed way.
adjective
British English
- The crystal-form analysis is crucial for identification.
- We observed a distinct crystal-form structure.
American English
- The crystal-form analysis is crucial for identification.
- We observed a distinct crystal-form structure.
Usage
Meaning in Context
Business
Virtually unused. A rare metaphorical use might be 'The project took its final crystal form.'
Academic
Common in geology, chemistry, materials science, and crystallography to describe mineral specimens and synthetic crystals.
Everyday
Very rare. Might be used descriptively for snowflakes or decorative objects: 'Look at the crystal form of that snowflake.'
Technical
The precise, technical term for the external shape of a crystal, defined by its Miller indices and crystal system.
Vocabulary
Synonyms of “crystal form”
Vocabulary
Antonyms of “crystal form”
Watch out
Common Mistakes When Using “crystal form”
- Using plural 'crystals form' (which is a verb phrase meaning 'crystals develop') incorrectly for the noun phrase. Confusing 'crystal form' with 'crystalline form' (which can refer to polymorphs).
FAQ
Frequently Asked Questions
In general usage, they can be synonymous. However, in technical contexts, 'crystal form' refers more precisely to the set of symmetrically related faces, while 'crystal habit' describes the overall shape and size.
No, 'crystal form' is a noun phrase. The related verb is 'crystallize' or 'crystalise' (UK).
'Crystal form' refers to the external shape. A 'polymorph' is a different crystal structure of the same chemical compound, which often, but not always, results in a different external form.
No, it is a low-frequency term primarily used in scientific, academic, and technical contexts.
The characteristic external shape of a crystalline substance, defined by its symmetry and geometry.
Crystal form is usually scientific, technical, literary in register.
Crystal form: in British English it is pronounced /ˈkrɪstl fɔːm/, and in American English it is pronounced /ˈkrɪstəl fɔːrm/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “clear as crystal”
- “crystal clear”
Learning
Memory Aids
Mnemonic
Think of a FORMal dance performed by a CRYSTAL ballerina – the shape her dance makes is the 'crystal form'.
Conceptual Metaphor
CLARITY IS A CRYSTAL; STRUCTURE IS A CRYSTAL FORM. (e.g., 'Her ideas began to take crystal form.').
Practice
Quiz
What is the primary field of use for the term 'crystal form'?