V2EX iron-free

Iron-free

Definition / 定义

iron-free(形容词):不含铁的;无铁的;去铁的。常用于描述食品/补充剂(不含铁元素)或材料/溶液/环境(不含铁杂质或铁成分)。也可引申为“避免铁污染”的(如 iron-free equipment)。

Pronunciation / 发音

/arn fri/

Examples / 例句

This cereal is iron-free.
这种谷物不含铁。

To avoid contamination, the samples were prepared in iron-free containers and analyzed under controlled conditions.
为避免污染,样品在无铁容器中制备,并在受控条件下进行分析。

Etymology / 词源

iron(铁)+ free(无……的、免于……的)构成的复合形容词。英语中 “-free” 常用于表示“不含某物/不受某物影响”(如 sugar-free、smoke-free),因此 iron-free 直译即“无铁的”。

Related Words / 相关词

Literary Works / 文学作品

“iron-free”更常见于科普、医学营养、化学与材料类英文出版物中,用来描述配方或实验条件;在传统小说诗歌中相对少见。常可在以下类型的权威书籍/手册中见到该用法:

  • The Merck Index(药物与化学品百科类参考书)
  • CRC Handbook of Chemistry and Physics(化学与物理数据手册)
  • On Food and Cooking by Harold McGee(食物科学科普书中常讨论矿物质与烹饪材料时的表述)
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