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单词 neutral red
释义

Definition of neutral red in English:

neutral red

noun

  • A dark green crystalline azine dye, C₁₅H₁₆N₄·HCl, which forms a red solution in water or alcohol and is used as an acid-base indicator and as a biological stain (especially for granules and vacuoles in cells).

Origin

Late 19th century; earliest use found in Thomas E. Thorpe (1845–1925), chemist.

 
 

Definition of neutral red in US English:

neutral red

noun

  • A dark green crystalline azine dye, C₁₅H₁₆N₄·HCl, which forms a red solution in water or alcohol and is used as an acid-base indicator and as a biological stain (especially for granules and vacuoles in cells).

Origin

Late 19th century; earliest use found in Thomas E. Thorpe (1845–1925), chemist.

 
 
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更新时间：2024/11/10 23:59:11