Definition of "mildew" []

• Any of various fungi that form a superficial, usually whitish growth on plants and various organic materials. (noun)
• A superficial coating or discoloration of organic materials, such as cloth, paper, or leather, caused by fungi, especially under damp conditions. (noun)
• A plant disease caused by such fungi. (noun)
• To affect or become affected with mildew. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Okay, let's get it out of here, the mildew is already starting to get to me."
• "The mold that grows in your shower is called mildew."
• "It would be a good idea to treat all the walls in the room because mildew is a microscopic spore and even though it may not be visible, it may still be present."