V2EX bismuth

Bismuth

定义 Definition

bismuth;一种银白色、质脆的金属元素(化学符号 Bi),常用于低熔点合金、医药制剂以及作为较低毒性的替代金属材料等。(也可指“铋这种物质”。)

发音 Pronunciation (IPA)

/bz.mθ/

例句 Examples

Bismuth is used in some stomach medicines.
铋用于一些胃药中。

Because bismuth expands slightly as it solidifies, it is useful in certain alloys designed for precise casting.
由于铋在凝固时会轻微膨胀,它在某些需要精密铸造的合金中很有用。

词源 Etymology

bismuth 一词进入英语主要来自德语 Wismut(早期也有不同拼写形式),再往前可能与古高地德语中表示“白色物质/白色金属”的词有关。它的词源带有典型的矿冶与金属命名色彩,反映了欧洲早期冶金传统中对这种“外观像银但性质不同”的金属的认识。

相关词 Related Words

文学作品 Literary Works

  • The Periodic Table(Primo Levi)以化学元素为线索的回忆与随笔体作品中会涉及多种元素与材料语境(包括对金属与元素的讨论)。
  • Uncle Tungsten: Memories of a Chemical Boyhood(Oliver Sacks)作者回忆少年时期的化学兴趣,书中多处提及元素与实验材料(可能涉及铋等元素的相关叙述)。
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