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