• A2
• A2C
• A2S
• A2AD
• A2Cs
• A2Ss
• A20 gate
• A20 gates

A2 (suomeksi)

Määritelmät:

• A standard paper size, defined by ISO 216.
• (lb, en, virology) A type of Asian influenza virus.
• (lb, en, cardiology) aortic, Aortic second sound.