surname, attested from late 12c., probably meaning bald head; cf. Wyclif Stye up, ballard, where Coverdale translates Come vp here thou balde heade [2 Kg.2:23-24, where God kills 42 children for making fun of Elijah's lack of hair.]
A slump is a form of mass wasting that occurs when a coherent mass of loosely consolidated materials or rock layers moves a short distance down a slope. Movement is characterized by sliding along a concave-upward or planar surface. Comments.
A slump test is a method used to determine the consistency of concrete. The consistency, sometimes described in terms of stiffness, generally indicates how much water has been used in the mix.ontractors typically order wet concrete with a slump rating suitable for the job theyâre trying to do, which means that they tell the supplier what sort of proportions and ratings theyâre looking for.