buna

/'bu:nə/

Thân thiện

A chemist holds a sample of buna in a laboratory.

Definition

Noun: 1. A type of synthetic rubber: Buna is a synthetic rubber made by polymerizing butadiene. It is an early form of synthetic rubber, historically significant, especially during periods of natural rubber shortages.

Examples of Usage

• Noun:
  • The factory began producing buna during the war to compensate for the lack of natural rubber.
  • Buna was a crucial material for tire production in the mid-20th century.

Advanced Usage

• Technical/Historical Context: The term "buna" is primarily used in historical, industrial, or chemical contexts to refer to specific early synthetic rubbers. It is less common in everyday modern language.
  • The development of buna marked a significant advancement in polymer chemistry.

Variants and Related Words

• Buna rubber: A more descriptive full name.
  • Buna rubber has different properties compared to natural rubber.
• Buna-N: A specific type of nitrile rubber (a copolymer of butadiene and acrylonitrile), known for oil resistance.
• Buna-S: A specific type of styrene-butadiene rubber (SBR), a common synthetic rubber.

Synonyms

• Synthetic rubber: The general category to which buna belongs.
• (Historical) Artificial rubber: An older term with a similar meaning.

Notes on Meaning

• The word "buna" is a technical noun with a very specific meaning. It does not have multiple common meanings, idiomatic uses, or function as a verb. Its usage is almost entirely confined to discussions about materials science, industrial history, or chemistry.

Học thuật

Noun

1. made by polymerizing butadiene

Từ đồng nghĩa

• buna rubber