| ACR | abnormally contracting region; absolute catabolic rate; acriflavine; adenomatosis of colon and rectu... |
|---|---|
| AGC | absolute granulocyte count; automatic gain control |
| AIU | absolute iodine uptake; antigen-inducing unit |
| AL | absolute latency; acinar lumen; acute leukemia; adaptation level; albumin; alcoholism [and other dru... |
| ALC | absolute lymphocyte count; acute lethal catatonia; aided living center; Alternative Lifestyle Checkl... |
| ARP | absolute refractory period |
|---|---|
| ATA | atmosphere absolute pressure |
| %MAE | mean absolute error |
| MDAPE | median absolute performance error |