Fungal infection of the nail, especially the toenail.(noun)
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Use "onychomycosis" in a sentence
"The prevalence of fungal infections, known as onychomycosis, is high and reported to be as high as 30 percent in the senior population."
"(SDC) - based treatment for tinea unguium, also referred to as onychomycosis (nail fungus), as well as for tinea pedis (athlete's foot)."
"Anacor's most advanced product candidate is AN2690, a novel topical antifungal in development for the treatment of toenail onychomycosis, which is a fungal infection of the nail and nail bed."