triacetate
Definition
Noun: A type of cellulose acetate that is relatively slow to burn. It is a synthetic material used as a safer alternative to celluloid, particularly for motion-picture film.
Usage
Triacetate is a technical term used primarily in industrial and historical contexts related to film production and material science. It refers to the specific chemical compound and the material made from it.
Examples
- The archive reels were stored on triacetate film, which is more stable than older nitrate film.
- Early safety film was often made from triacetate base.
- Triacetate was a significant development for the film industry due to its flame-retardant properties.
Advanced Usage
- Diacetate/Triacetate: In polymer chemistry, the terms refer to the degree of acetylation of cellulose. (or cellulose triacetate) indicates that almost all hydroxyl groups in the cellulose molecule have been acetylated, giving it distinct properties compared to .
Variants and Related Words
- Cellulose triacetate: The full chemical name for triacetate.
- Safety film: A general term for non-flammable film stock, for which triacetate was a key material.
- Acetate: A broader term that can refer to various esters of acetic acid, including cellulose acetate.
Synonyms
- Cellulose triacetate
- Safety film base (in the specific context of motion pictures)
Notes
Triacetate is not commonly used in everyday language. Its usage is confined to specific technical fields. It is not typically used in idioms or phrasal verbs.
Noun
-
cellulose acetate that is relatively slow to burn; used instead of celluloid for motion-picture film
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