drill
1. A hand- or motor-driven rotary tool used with a bit for boring holes in a material. 2.A hand-held tool […]
Glossary
drift plug
1. A hardwood cylindrical plug which is driven through a soft-metal pipe to straighten it. 2. A conical plug driven
Glossary
drift index
1. The ratio of the lateral deflection of a building to its height. 2. The ratio of the lateral deflection
Glossary
drier white
Superficial discoloration of clayware during drying; usually caused by adherence of soluble salts to the surface of the ware.