melaxuma

melaxuma

[mel-uh-koo-muh, -uh-zoo-, -uhk-soo-]
noun Plant Pathology.
a disease of trees, especially walnuts, characterized by an inky-black liquid oozing from the affected twigs, branches, and trunk, and by bark cankers, caused by any of several fungi, as Dothiorella gregaria.

Origin:
1930–35; < Neo-Latin, irregular < Greek mélā(s) black + chýma fluid (with x- representing Greek ch-)

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