There are two possibilities that can cause your garage floor to be damp: 1  When warm, humid air comes in contact with a cold concrete slab, water vapor in the air can condense on the surface of the concrete in the same way that a glass with ice sweats in summer.
flaw, fault, defect - an imperfection in an object or machine; a flaw caused the crystal to shatter; if there are any defects you should send it back to the manufacturer. wart - an imperfection in someone or something that is suggestive of a wart (especially in smallness or unattractiveness)
1. 1  a disordered or incorrectly functioning organ, part, structure, or system of the body resulting from the effect of genetic or developmental errors, infection, poisons, nutritional deficiency or imbalance, toxicity, or unfavorable environmental factors; illness; sickness; ailment.