| Abbreviations | Meaning |
 | AC | Acceleration; Acetyl; Acid; Acromioclavicular; Acute; Alternating Current; Antecubital; Anterior Chamber; Atrial Contraction; Axiocervical |
 | NAE | Net Acid Excretion |
 | AS | Acidified Serum |
 | PASM | Periodic Acid-silver Methenamine |
 | KA | Alkaline Phosphatase; Kainic Acid; Keratoacanthoma; Keto Acid; Ketoacidosis; King-Armstrong [unit]; Knowledge Acquisition; Knowledge Aggregate |
 | BAIF | Bile Acid Independent Flow |
 | BAO | Basal Acid Output; Brachial Artery Output |
 | MBLA | Methylbenzyl Linoleic Acid; Mouse-specific Bone-marrow-derived Lymphocyte Antigen |
 | CAF | Citric Acid Fermentation |
 | ASD | Argininosuccinic Acid Synthetase Deficiency |
 | PK“ | Apparent Value Of A PK; Negative Logarithm Of The Dissociation Constant Of An Acid |
 | TRT | Thoracic Radiotherapy; Transfer Ribonucleic Acid Threonine |
 | KIVA | Keto Isovaleric Acid |
 | TRF | Targeted Ribonucleic Acid [RNA] Fingerprinting |
 | TSA | Toluene Sulfonic Acid |