black scale

noun

Definition of black scale

1 : a large dark brown or black unarmored scale (Saissetia oleae) destructive to olive, citrus, and other cultivated plants
2 : a serious disease of Easter lilies caused by a fungus (Colletotrichum lilii) that produces black lesions on the bulb scales

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Learn More About black scale

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Cite this Entry

“Black scale.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/black%20scale. Accessed 29 Jan. 2022.

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