Poisonous or toxic to fungi; capable of killing or destroying fungal organisms.
From Latin fungus + Greek toxikon (poison) + -ic, creating 'fungus-poisoning.' This pharmacological and agricultural term emerged in the early 20th century with the development of synthetic fungicides.
Copper sulfate, sulfur, and modern azole drugs are all fungitoxic—they literally poison the internal machinery of fungi in ways that don't harm human cells as much.
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