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The Collaborative International Dictionary

Leucoma \Leu*co"ma\ (l[-u]*k[=o]"m[.a]), n. [NL., fr. Gr. ley`kwma, fr. leyko`s white.] (Med.) A white opacity in the cornea of the eye; -- called also albugo.


n. (context dated English) A leucoma.


Albugo is a genus of plant-parasitic oomycetes. Those are not true fungi ( Eumycota), although many discussions of this organism still treat it as a fungus. The taxonomy of this genus is incomplete, but several species are plant pathogens. Albugo is one of three genera currently described in the familyAlbuginaceae, the taxonomy of many species is still in flux.

This organism causes white rust or white blister diseases in above-ground plant tissues. While these organisms affect many types of plants, the destructive aspect of infection is limited to a few agricultural crops, including: beets (garden and sugar), Brussels sprouts, cabbages, Chinese cabbage, cauliflower, collards, garden cress, kale, lettuce, mustards, parsnip, radish, horseradish, rape, salsify (black or white), spinach, sweet potatoes, turnips, watercress, and perhaps water-spinach.

Usage examples of "albugo".

Then came another flash and a second man emerged before the administrator -- short, but with athletic shoulders, hair red as fire, albugo in one eye, a fang in his mouth .

The absurd, ugly fang disappeared without a trace, and the albugo on his eye proved false.