mildew definition by Webster's New World
- a thin, furry, usually whitish coating or discoloration, caused by a fungus, that forms on the surface of various plants, on organic matter, or on damp paper, cloth, bathroom tiles, etc.
- any fungus that attacks various plants or that produces such a coating or discoloration
- any plant disease, as powdery mildew, caused by such fungus
Origin: Middle English mildewe ; from Old English meledeaw, nectar, literally , honeydew, akin to Gothic milith, honey ; from Indo-European base an unverified form melit- (from source Classical Latin mel, Classical Greek meli, honey) plush base of Old English deaw, dew
- mildewy adjective
mildew definition by American Heritage Dictionary
- Any of various fungi that form a superficial, usually whitish growth on plants and various organic materials.
- A superficial coating or discoloration of organic materials, such as cloth, paper, or leather, caused by fungi, especially under damp conditions.
- A plant disease caused by such fungi.
Origin: Middle English, from Old English mildēaw, honeydew, nectar; see melit- in Indo-European roots.
- milˈdewˌy adjective
mildew - Science Definition