- (gerund of clean) The process of making something clean.
- 2009, January 13, “Jane E. Brody”, in New Thinking on How to Protect the Heart:
- So good dental hygiene, with regular periodontal cleanings, can help protect your heart as well as your teeth.
- The afterbirth of cows, ewes, etc.
- (Can we find and add a quotation of Gardner to this entry?)
action in which something is cleaned