metacinnabar: meaning, definition, pronunciation and examples
Very Low (Specialist/Scientific)Technical/Scientific
Quick answer
What does “metacinnabar” mean?
A naturally occurring, cubic, black polymorph of mercuric sulfide (HgS).
Audio
Pronunciation
Definition
Meaning and Definition
A naturally occurring, cubic, black polymorph of mercuric sulfide (HgS).
A specific mineral form, distinct from the more common red cinnabar, notable for its different crystalline structure and properties. In extended scientific contexts, it can refer to the metastable, high-temperature form of HgS.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. Spelling is consistent.
Connotations
Purely denotative with no regional connotations.
Frequency
Extremely rare in both varieties, confined to specialist literature.
Grammar
How to Use “metacinnabar” in a Sentence
The specimen consists of [mineral] + [metacinnabar].Metacinnabar is associated with [other mineral].[Location] is known for its [metacinnabar].Vocabulary
Collocations
Examples
Examples of “metacinnabar” in a Sentence
adjective
British English
- The metacinnabar phase is stable at higher temperatures.
American English
- Metacinnabar inclusions were observed in the quartz matrix.
Usage
Meaning in Context
Business
Virtually never used.
Academic
Used in geology, mineralogy, and chemistry papers describing ore deposits or mineral polymorphs.
Everyday
Never used.
Technical
Core usage context. Describes a specific mineral phase in geological surveys, research, and crystalography.
Vocabulary
Synonyms of “metacinnabar”
Neutral
Vocabulary
Antonyms of “metacinnabar”
Watch out
Common Mistakes When Using “metacinnabar”
- Misspelling as 'metacinnabarite' (a different mineral).
- Using it as a general term for any black mercury ore.
- Incorrectly capitalizing it as a proper noun.
FAQ
Frequently Asked Questions
No. They are polymorphs—different crystalline forms of the same chemical compound (mercuric sulfide). Cinnabar is red and hexagonal, while metacinnabar is black and cubic.
It is found in certain mercury deposits, often in association with cinnabar, native mercury, and other sulfide minerals, usually forming under specific temperature conditions.
In precise scientific contexts, no. While related, they refer to distinct mineral species with different properties. In general discourse about mercury ores, 'cinnabar' is often used as the umbrella term.
As a mercury ore, it has economic value, but it is rarer than cinnabar. Its primary value is to mineral collectors and for scientific study.
A naturally occurring, cubic, black polymorph of mercuric sulfide (HgS).
Metacinnabar is usually technical/scientific in register.
Metacinnabar: in British English it is pronounced /ˌmɛtəˈsɪnəbɑː/, and in American English it is pronounced /ˌmɛdəˈsɪnəbɑːr/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
META-morphs into a CINNABAR that's black (META + CINNA + BAR).
Conceptual Metaphor
Polymorphism as a state of being (the 'other form' of a known substance).
Practice
Quiz
What is the primary defining characteristic of metacinnabar?