- toolmakers' button
- noun
: a small hardened steel jig for accurately locating holes to be drilled in a workpiece
Useful english dictionary. 2012.
Useful english dictionary. 2012.
Conduit metaphor — A Conduit metaphor is a linguistic term referring to a dominant class of figurative expressions used when discussing communication itself (metalanguage). It operates whenever people speak or write as if they insert their mental contents (feelings … Wikipedia
Dial indicator — Dial indicators, also known as dial gauges and probe indicators, are instruments used to accurately measure small linear distances, and are frequently used in industrial and mechanical processes. They are named so because the measurement results… … Wikipedia