mineral dressing
noun
Treatment of ore so as to remove gangue and concentrate the valuable constituents.
Origin
1930s.
- atom probe
- atom smasher
- atom-smashing
- atom theory
- atomy
- Aton
- atonal
- atonalism
- atonalist
- atonality
- at once
- at one
- atone
- at one blow
- atonement
- at one's convenience
- at one's disposal
- at one's earliest convenience
- at (one's) ease
- at one's elbow
- at one's fingertips
- at one's leisure
- at one's mother's (or father's) knee
- at one's (own) risk
- at one's peril