あ Hiragana Composite Extended
1. integrated circuit; IC
2. interchange
1. centimetre; centimeter
1. computed tomography; computerized tomography
1. BC; Before Christ
2. biological and chemical (weapons)
1. master of ceremonies; MC
2. intermission between songs in which the performers speak to the audience
+ 2 additional meanings1. center half; centre half
2. channel
3. Order of the Companions of Honour (British order)