| Term | Definition / Meaning / Stand for |
| QHS |
Every Night at Bedtime (Medical Abbreviation) |
| QARS |
Glutaminyl-tRNA Synthetase |
| QIAamp |
QIAGEN DNA Extraction Kit |
| QX |
Quahog Parasite Unknown (Haplosporidium nelsoni) |
| QFT |
QuantiFERON Test |
| QBR |
Quantitative Biochemical Resonance |
| QBI |
Quantitative Brain Imaging |
| QCTB |
Quantitative Cytogenetic Trait Bridging |
| QFI |
Quantitative Fluorescence Imaging |
| QF-PCR |
Quantitative Fluorescence Polymerase Chain Reaction |
| QG |
Quantitative Genetics |
| QIA |
Quantitative Immunoassay |
| QL |
Quantitative Limulus Assay |
| QMAP |
Quantitative Metabolomic Analysis Panel |
| QPM |
Quantitative Phase Microscopy |
| QRAA |
Quantitative RNA-Activated Assay |
| QRT-PCR |
Quantitative Reverse Transcription PCR |
| QTLB |
Quantitative Trait Locus Bridging |
| QVP |
Quantitative Vascular Perfusion |
| QMT |
Quantum Molecular Tunneling |
| QCM-D |
Quartz Crystal Microbalance with Dissipation Monitoring |
| QCF |
Quasi-Cellular Framework |
| QDF |
Quasi-Diffraction Fluorometry |
| QDM |
Quasi-Diffusion Model |
| QDE |
Quasi-Dynamic Equilibrium |
| QEM |
Quasi-Elastic Micrography |
| QGL |
Quasi-Glycolipid |
| QHC |
Quasi-Histone Complex |
| QHL |
Quasi-Histone Linkage |
| QHD |
Quasi-Homogeneous Diffusion |
| QIC |
Quasi-Invariant Chromosome |
| QIM |
Quasi-Isothermal Microcalorimetry |
| QM |
Quasi-Molecular Ion |
| QMPF |
Quasi-Molecular Phospholipid Formation |
| QNA |
Quasi-Nucleic Acid |
| QP |
Quasi-Peptide |
| QPLS |
Quasi-Periodic Lattice System |
| QPS |
Quasi-Periodic System |
| QPD |
Quasi-Polymerized DNA |
| QRF |
Quasi-Random Fluctuation |
| QRSV |
Quasi-Random Sequence Variation |
| QSF |
Quasi-Static Fluorescence |
| QSDP |
Quasi-Structured DNA Polymer |
| QXRD |
Quasi-X-Ray Diffraction |
| QYL |
Quasi-Yolk Lipoprotein |
| QYP |
Quasi-Yolk Protein |
| QZN |
Quasi-Zinc Nucleoside |
| QZ |
Quasi-Zymogen |
| QZP |
Quasi-Zymoprotein |
| QACR |
Quaternary Ammonium Compound Resistance |
| QUA |
Quaternary Ammonium |
| QFS |
Quaternary Fold System |
| QIP |
Quaternary Ionic Polymer |
| QMA |
Quaternary Methyl Ammonium |
| QRS |
Quaternary Ribozyme System |
| QTP |
Quaternary Tertiary Phospholipid |
| QUB |
Quaternary Ubiquinone Binding Site |
| QUBS |
Quercetin-Ubiquinone Binding System |
| QH |
Quinhydrone |
| QA |
Quinic Acid |
| QDR |
Quinidine Drug Resistance |
| QCR7 |
Quinol-Cytochrome Reductase Subunit 7 |
| QPR |
Quinolone-Protein Resistance |
| QN |
Quinolone |
| QRS |
Quinone Reductase System |
| QT |
Quinone Transferase |
| QCR |
Quinone-Cytochrome Reductase |
| QO |
Quinoprotein Oxidoreductase |
| QV |
Quinovose |
| QBP1 |
Quorum Binding Protein 1 |