n instrument for measuring internal or external dimensions, having two-hinged feet resembling a couple of compasses and in-turned or out-turned things.
1620s, brief for calliper compass (1580s), a tool familiar with determine quality (q.v.). Associated: Calipers.
Thickness of a sheet of a film, foil, or paperboard assessed typically in points the good news is in microns. It steps the flexural tightness (flexing resistance) of a material that impacts the compression power of a box produced from it.
assess the diameter of something with calipers
- a musical instrument for measuring the exact distance between two points (frequently used in the plural)