nitrocellulose
Học thuậtThân thiện
A chemist carefully handles a small sample of nitrocellulose in the laboratory.
Definition
Noun: * A highly flammable compound formed by treating cellulose with nitric and sulfuric acids. It is a nitric acid ester used primarily in the manufacture of lacquers, certain plastics, and explosives.
Usage
- Nitrocellulose is a technical term used in chemistry, manufacturing, and historical contexts.
- It typically functions as a mass noun (uncountable) when referring to the substance as a material.
- It can be used as a count noun when referring to types or specific batches of the compound.
Examples
- The vintage film reel was dangerous because it was made of highly flammable nitrocellulose.
- Nitrocellulose lacquer dries very quickly to a hard, durable finish.
- Early plastics like celluloid were based on nitrocellulose.
- The laboratory synthesized a new batch of nitrocellulose for testing.
Advanced Usage
- Guncotton: A specific form of nitrocellulose with a high nitrogen content, used as an explosive.
- The soldiers were trained in the handling of guncotton.
- Pyroxylin: A term often used synonymously with nitrocellulose, especially when dissolved in solvents for use in lacquers or collodion.
- The wound was sealed with a pyroxylin-based collodion.
Variants and Related Words
- Celluloid: A historical plastic made from nitrocellulose and camphor.
- Collodion: A solution of nitrocellulose in ether and alcohol, used in photography and medicine.
- Guncotton (noun): A highly nitrated, explosive form of nitrocellulose.
- Pyroxylin (noun): Another name for nitrocellulose, particularly a soluble form.
Synonyms
- Cellulose nitrate
- Flash paper (a specific, theatrical form)
Notes on Different Meanings
The core meaning of nitrocellulose is consistent as a chemical compound. Its different applications (lacquer base, explosive, plastic precursor) are contexts of use, not separate definitions of the word itself.
A chemist carefully handles a small sample of nitrocellulose in the laboratory.
Noun
- a nitric acid ester; used in lacquers and explosives