psorosis

noun

pso·​ro·​sis

səˈrōsə̇s

plural psoroses

-ōˌsēz

: 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

Word History

Etymology

New Latin, from psor- + -osis

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