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phlogiston

/flɒˈdʒɪs.tən/

翻译: 燃素说中假想的一种存在于所有可燃物中并在燃烧时释放的物质;该概念已被现代化学否定。

1 个条目

noun

C2formalcommonscientific已废弃/flɒˈdʒɪs.tən/

不可数

A hypothetical substance once thought to be contained in all combustible materials and released during combustion, a concept now discredited in modern chemistry.

  • 🇨🇳燃素说中假想的一种存在于所有可燃物中并在燃烧时释放的物质;该概念已被现代化学否定。
  1. Hypothetical substance C2 formal scientific

    A hypothetical substance once believed to be present in all combustible materials and to be released during burning.

    • According to the phlogiston theory, burning wood releases phlogiston into the air.
    • Scientists in the 18th century believed that metals contained phlogiston.
    • The phlogiston theory was eventually replaced by the oxygen theory of combustion.

    🇨🇳假想物质