V2EX collodion

Collodion

Definition 定义

collodion(火棉胶;胶棉溶液):一种由硝化纤维素(火棉)溶解在乙醚乙醇中的黏稠溶液,涂在表面后会挥发成透明薄膜。常用于19世纪湿版摄影(wet collodion process)的涂布感光材料,也可作医用保护膜/敷料(collodion dressing)。

Pronunciation 发音

/klodin/(美); /kldin/(英)

Examples 例句

The nurse painted collodion over the small cut to protect it.
护士在小伤口上涂了一层火棉胶来保护它。

In the wet-collodion process, the plate must be coated, sensitized, exposed, and developed before the collodion dries.
在湿版火棉胶工艺中,玻璃板必须在火棉胶干燥前完成涂布、增感、曝光和显影。

Etymology 词源

词源与希腊语有关:来自 kólla(胶、黏合剂)+ 形容词后缀 -oid(“像……的”),原意可理解为“像胶一样的物质”。该词在19世纪与摄影化学的发展密切相关,因其能形成均匀薄膜而成为早期摄影的重要材料之一。

Related Words 相关词

In Literature & Notable Works 文学与名著用例

  • 《大英百科全书》(Encyclopaedia Britannica):在化学材料、摄影工艺相关条目中常见该词。
  • The British Journal of Photography(摄影期刊,19世纪至今):关于湿版火棉胶工艺、配方与暗房操作的文章中频繁出现。
  • 19世纪摄影操作手册与化学工艺书:该词常用于描述湿版(wet-plate)制版流程与涂布材料(多见于当时的技术出版物与教程)。
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