Radical 76

Radical 76 or radical lack (欠部) meaning "owe", "lack", or "yawn" is one of the 34 Kangxi radicals (214 radicals in total) composed of 4 strokes.

In the Kangxi Dictionary, there are 235 characters (out of 49,030) to be found under this radical.

欠 is also the 90th indexing component in the Table of Indexing Chinese Character Components predominantly adopted by Simplified Chinese dictionaries published in mainland China.

• 
  Oracle bone script character
• 
  Large seal script character
• 
  Small seal script character

As an independent sinogram it is one of the kyōiku kanji or kanji taught in elementary school in Japan. It is a fourth grade kanji.

• Fazzioli, Edoardo (1987). Chinese calligraphy : from pictograph to ideogram : the history of 214 essential Chinese/Japanese characters. calligraphy by Rebecca Hon Ko. New York: Abbeville Press. ISBN 0-89659-774-1.
• Lunde, Ken (Jan 5, 2009). "Appendix J: Japanese Character Sets" (PDF). CJKV Information Processing: Chinese, Japanese, Korean & Vietnamese Computing (Second ed.). Sebastopol, Calif.: O'Reilly Media. ISBN 978-0-596-51447-1.

• Unihan Database - U+6B20