Blacking
Appearance
![](http://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/40px-Wiktionary-logo-en-v2.svg.png)
Look up blacking in Wiktionary, the free dictionary.
Blacking may refer to:
- Blacking (polish), a nineteenth-century shoe polish
- Blacking up, putting on a style of theatrical makeup to take on the appearance of certain archetypes of American racism
- Blacking (cryptography) In NSA jargon, encryption devices are often called blackers, because they convert red signals to black
- Sanitization (classified information)
People with the surname
- John Blacking (1928–1990), British ethnomusicologist and anthropologist