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)
anomalies. 1  1 : something different, abnormal, peculiar, or not easily classified : something anomalous They regarded the test results as an anomaly. 2  2 : deviation from the common rule : irregularity. 3  3 : the angular distance of a planet from its perihelion as seen from the sun.