V2EX cis-

Cis-

Definition / 释义

**cis-**:前缀,主要用于

  1. 化学/生物:表示“同侧、顺式”(与 trans- “反式/对侧”相对),常见于分子结构与立体化学命名中,如 cis-1,2-dichloroethene
  2. 社会文化语境:表示“非跨性别、性别认同与出生指派性别一致”,多见于 cisgender(顺性别)。

Pronunciation / 发音

IPA:/ss/

Examples / 例句

Cis- means “on the same side” in chemistry.
cis- 在化学里表示“在同一侧/顺式”。

In stereochemistry, the cis- prefix indicates substituents on the same side of a double bond or ring, which can change a molecule’s properties compared with its trans- form.
在立体化学中,cis- 前缀表示取代基位于双键或环的同一侧,这会使分子的性质与其 trans-(反式)形式不同。

Etymology / 词源

来自拉丁语 cis,意为“在这边、此侧”。在科学命名中用来表达空间位置关系;后来在现代英语中也进入社会议题词汇(如 cisgender),用于描述与 transgender 相对的身份概念。

Related Words / 相关词

In Literature / 文学与作品

  • *Nomenclature of Organic Chemistry: IUPAC Recommendations and Preferred Names (Blue Book)*(IUPAC《有机化学命名蓝皮书》):大量使用 cis- 作为立体化学命名前缀。
  • Susan Stryker, Transgender History:常出现含 cis- 的构词(如 cisgender)来讨论性别概念与社会语境。
  • Julia Serano, Whipping Girl:使用以 cis- 构成的词(如 cisgender)来区分顺性别与跨性别经验。
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