| 单词 | melaxuma |
| 释义 | melaxuma /mel'euh kooh"meuh, -euh zooh"-, -euhk sooh"-/, n. Plant Pathol. a disease of trees, esp. 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. [1930-35; < NL, irreg. < Gk méla(s) black + chýma fluid (with x- repr. Gk ch-)] |
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