rough file
noun
A file with a deeply cut face; a coarse file.
Origin
Early 17th century.
- negative after-image
- negative booster
- negative buoyancy
- negative buoyant
- negative capability
- negative catalysis
- negative catalyst
- negative confession
- negative crystal
- negative definite
- negative energy
- negative equity
- negative eugenics
- negative evidence
- negative eyepiece
- negative feedback
- negative flag
- negative g
- negative gearing
- negative geotropism
- negative glow
- negative-going
- negative growth
- negative income tax
- negative instance