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Translation

fluorescein

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Word: Fluorescein

Part of Speech: Noun

Definition: Fluorescein is a yellow dye that can be seen even when it is mixed with a lot of water (highly diluted). It is mainly used in scientific experiments, especially to help indicate the presence of certain substances.

Usage Instructions:
  • Fluorescein is often used in laboratories and medical fields.
  • It is important to handle it carefully, usually while wearing gloves and goggles.
Example Sentence:
  • The scientist added fluorescein to the solution to see if silver chloride would form.
Advanced Usage:

In more advanced scientific contexts, fluorescein is utilized in fluorescence microscopy and dye tracing to visualize biological processes or to track fluid movements in environmental studies.

Word Variants:
  • Fluoresce: This is the verb form, meaning to emit light or glow when exposed to light.
  • Fluorescent: This adjective describes something that has the property of fluorescing.
Different Meanings:

While fluorescein primarily refers to the yellow dye in scientific use, the root "fluoresce" can refer to any substance that emits light when exposed to certain wavelengths.

Synonyms:
  • Dyes (general term)
  • Indicators (when referring to its use in experiments)
Idioms and Phrasal Verbs:

Fluorescein does not have specific idioms or phrasal verbs associated with it, as it is a scientific term. However, in a broader sense, you might hear phrases like: - "Light up" (related to fluorescence but not specific to fluorescein).

Summary:

Fluorescein is a useful yellow dye in science, especially for experiments involving chemical reactions.

Noun
  1. a yellow dye that is visible even when highly diluted; used as an absorption indicator when silver nitrate solution is added to sodium chloride in order to precipitate silver chloride (turns pink when no chloride ions are left in solution and negative fluorescein ions are then absorbed)

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