What's the difference between fuscous and taupe?

Fuscous

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Definition:

• (a.) Brown or grayish black; darkish.

Example Sentences:

• (1) High resolution cytochemical staining of polysaccharides in the cells of the bean fuscous blight bacteria Xanthomonas fuscans (Burkholder) Bur.

Taupe

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Definition:

Example Sentences: