Similar to やり込み

AST/ALT ratio

ATM (disambiguation)

ATP synthase

Template:Audio formats

AURIGA

Autism Network International

AV1

AVAir Flight 3378

Audio and video interfaces and connectors

AXIN1

AXIN2

Axiom (computer algebra system)

AXL receptor tyrosine kinase

A-law algorithm

B

British Aerospace 146

Template:BAFTA Games BG

Bcl-2 homologous antagonist killer

BASIC

Bcl-2

BCL9

Bcrypt