B22 Explained

B22 or B-22 may refer to:

Science and technology

• B22, a bayonet mount size for a light bulb
• B22, an iceberg that calved from the Thwaites Ice Tongue in 2002
• HLA-B22, an HLA-B serotype
• AIDS dementia complex (ICD-10 code)

Transportation

• Bundesstraße 22, a German road
• Chery B22, a 2008 Chinese Chery Automobile model
• Douglas XB-22, a proposed modification of the B-18 Bolo bomber
• MWfly B22, an Italian aircraft engine design
• Micro Aviation B22 Bantam, a New Zealand ultralight aircraft design

Other uses

• Sicilian Defence (ECO code), in chess