plural psoroses
: 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


New Latin, from psor- + -osis

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Dictionary Entries Near psorosis

Cite this Entry

“Psorosis.” Dictionary, Merriam-Webster, Accessed 25 Sep. 2023.

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