pin drill
Engineering
noun
A drill having a central projecting bit surrounded by a cutting face, used for countersinking.
Origin
Mid 19th century.
- plasma TV
- plasma wave
- plasmic
- plasmid
- plasmin
- plasminogen
- plasminogen activator
- plasmoblast
- plasmocellular
- Plasmochin
- plasmocyte
- plasmocytic
- plasmocytoid
- plasmocytoma
- plasmocytosis
- plasmode
- plasmodesma
- plasmodesmal
- plasmodesmatal
- plasmodial
- plasmodic
- plasmodiocarp
- plasmodiocarpous
- plasmodiophorid
- plasmoditrophoblast