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psorosis

noun
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pso·​ro·​sis | \ səˈrōsə̇s \
plural psoroses\ -​ōˌsēz \

Definition of psorosis

: a virus disease of citrus trees affecting sweet oranges, tangerines, and grapefruit and characterized by scaly bark and exudation of gum and in the later stages retarded growth, small yellow leaves, and dieback of twigs

— called also scaly bark

— compare leprosis

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History and Etymology for psorosis

New Latin, from psor- + -osis

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Cite this Entry

“Psorosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/psorosis. Accessed 22 Jan. 2021.

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