celanese
Noun (uncountable): - A type of synthetic textile fiber or fabric, specifically a brand name for cellulose acetate yarn or cloth, originally developed as a substitute for silk.
- (A synthetic fabric resembling silk.)
- (A cellulose acetate fabric used in clothing.)
"Celanese" as a proper noun: The term is derived from the trademark Celanese, a brand of cellulose acetate fibers first produced by the Celanese Corporation in the early 20th century.
- The company marketed celanese as a modern alternative to natural silk. (A branded synthetic fabric.)
Historical context: Celanese was notable for being one of the first man-made fibers, preceding nylon, and was often used in blends with other materials.
- Vintage garments made of celanese are sometimes sought after by collectors of early synthetic textiles. (Historical synthetic fabric.)
Cellulose acetate (n): the chemical compound from which celanese is made.
- Cellulose acetate is derived from wood pulp or cotton linters. (The raw material for celanese.)
Acetate (n): a common shorthand for cellulose acetate fibers, often used interchangeably with celanese in casual contexts.
- Acetate fabrics are similar to celanese but may have different finishing processes. (A related synthetic fiber.)
Rayon: a semi-synthetic fiber, though rayon is made from regenerated cellulose, not cellulose acetate.
- Rayon and celanese are both man-made fibers, but they differ in chemical structure. (A related but distinct fiber.)
Synthetic silk: a general term for man-made fabrics that imitate silk.
- Celanese was once marketed as synthetic silk. (A descriptive synonym.)
- "Not worth a celanese thread" (rare, historical): an idiom meaning something is of little value, referencing the cheap reputation of celanese compared to real silk.
- His promises were not worth a celanese thread. (His promises were worthless.)
- Celanese is primarily a historical or technical term; it is less commonly used today in everyday language, as acetate fibers have been largely replaced by polyester and other modern synthetics.