| c AMP | Cyclic Adenosine Mono Phosphate |
| C Section | Cesarean Section |
| C&D | Construction & Demolition |
| CA | CAnada |
| CAA | Cerebral Amyloid Angiopathy |
| CAAS | ev Charging As A Service |
| CAB | Controlled Atmosphere Brazing |
| CABG | Coronary Artery Bypass Graft |
| CABP | Community Acquired Bacterial Pneumonia |
| CACHy | Catalytic Asymmetric Cyano Hydrin (technology) |
| CAD | Cellular Activator & Differentiator |
| CAD (IT) | Computer Aided Design |
| CAD Cardio | Coronary Artery Disease |
| CAD Hemato | Cold Agglutinin Disease |
| CADASIL | Cerebral Autosomal Dominant Arteriopathy with Subcortical Infarcts and Leukoencephalopathy |
| CADD | Computer Aided Drug Design |
| CAEV | Caprine Arthritis Encephalitis Virus |
| CAEV | Caprine Arthritis Encephalitis Virus |
| CAF | CD8 Antiviral Factor (AIDS) |
| CAGE | Cooperation for Analysis of Gene Expression |
| CAGR | Compounded Annual Growth Rate |
| CAI | Crystal Adhesion Inhibitor (Urology - Lithiasis) |
| CAIA | Collagen Antibody Induced Arthritis |
| CALB | Candida Antarctica Lipase B |
| CALCL | Cutaneous Anaplastic Large Cell Lymphoma |
| CALD | Cerebral Adreno Leuko Dystrophy |
| CaM | Cal Modulin |
| CAM | Cell Adhesion Molecule |
| CAM | Cathode Active Materials |
| CaMPDE | Cal Modulin Phospho Di Esterase |
| CAP | Condensation Aerosol Particles |
| CAP | Community Acquired Pneumonia |
| CAPS | Computer Assisted Personalized Sedation |
| CAPS | Cryopyrin Associated Periodic Syndromes |
| CAPS | Catastrophic Antiphos Pholipid Syndrome |
| CAR | chimeric antigen receptor |
| CARK | Cardiac-related Ankyrin-Repeat Kinase |
| CARS | Coherent Anti-stokes Raman Scattering |
| CART | Cocaine & Amphetamine Related Transcript |
| CART | Constitutively Active Receptor Technology |
| CART Onco | Chimeric Antigen Receptor T |
| CAS | Chemical Abstract Service |
| CAS | Cellular Apoptosis Susceptibility (protein) |
| CAS | Carotid Artery Stenting |
| CAS | Computer Assisted Solutions |
| CASMAT | Consortium for Advanced Semiconductor MAterials & related Technologies |
| CASPI | Coatings, Adhesives, Specialty Polymers, and Inks |
| CAT | Cambridge Antibody Technology |
| CAT | CATalysis; CATalyst |
| CAT PAD | Cell Adherent Technology |
| CATHy | Catalytic Asymmetric Transfer Hydrogenation |
| CAUTI | Catheter Associated Urinary Tract Infections |
| CAV | Chicken Anemia Virus |
| CBA | Carboxy Benz Aldehyde |
| CBA | Cyano Benzyl Amine |
| CBB | Coomassie Brilliant Blue (dye) |
| CBBM | Center for Biocatalysis & Bioprocessing of Macromolecules |
| CBC | Calcium Binding Capacity |
| CBD | Canna Bi Diol |
| CBD | Conditionally Bioreversible Derivative |
| CBE | Center for Biomedical Engineering (USA - MIT) |
| CBO | Chief Brand Officer |
| CBO | Chief Bus. Officer |
| CBO | Congress Budget Office (USA) |
| CBP | CREB Binding Protein |
| CBR | Calcium Binding Rate |
| CBS | Centraalbureau voor Schimmelcultures (Netherlands) |
| CBS | Central Bureau voor Schimmelcultures at Baam (NE) |
| CBT | Cyclic Butylene Terephthalate (oligomer) |
| CBT Insomn | Cognitive Behavioral Therapy |
| CCA | Charge Control Agent (Electrophotography) |
| CCA | Chromated Copper Arsenate (wood preservative) |
| CCA | Crystalline Colloidal Array |
| CCB | Calcium Channel Blocker |
| CCC | Chlorine Chemistry Council (USA) |
| CCC | Counter Current Chromatography |
| CCD | Charge Coupled Device |
| CCK | Chole Cysto Kinin |
| CCO | Chief Commercial Officer |
| CCoAMT | Caffeoyl Co A 3-O Methyl Transferase. |
| CCP | Cyclic Citrulinated Peptide |
| CCR | Cell Cycle Regulatory |
| CCR | Chemo Kine Receptor |
| CCS | Carbon Capture and Sequestration (Storage) |
| CCSA | Colon Cancer-Specific Antigen |
| CCTA | Coronary Computer Tomography Angiography |
| CCTEC | Cornell Center for Technology, Enterprise & Commercialization |
| CCV | Canine Corona Virus. |
| CCVC | Catalytic Carbon Vapour Deposition |
| CD | Compact Disc Disk |
| CD | Circular Disk |
| CD | Controlled Delivery |
| CD | Cluster of Differentiation (Antigens) |
| CD | Circular Dichroism |
| CD | Catalytic Domain |
| CD Gastro. | Crohns DIS. |
| CDA | Cancer Differentiation Analysis |
| CDAD | Clostridium Difficile-Associated Diarrhea |
| CDC | Centers for Disease Control & Prevn (USA) |
| CDC | Cross Dehydrogenative Coupling |
| CDC | Complement Dependent Cytotoxicity |
| CDD | CDKL5 Deficiency Disorder |
| CDER | Center for Drug Evaluation & Research (linked to USA - FDA) |
| CDG | Congenital Disorders of Glycosylation |
| CDI | Clostridium Difficile Infection |
| CDK | Cyclin Dependent Kinase |
| CDKi | Cyclin Dependent Kinase Inhibitors |
| CDKL5 | Cyclin-Dependent Kinase-Like 5 |
| CDL | Chemical Diversity Labs |
| CDM | Cyclohexane Di Methanol |
| CDM | Clean Dev. Mechanism (Kyoto Protocol) |
| CDMO | Contract Development & MFG. ORG. |
| CDO | C Doped Oxides |
| CDO | Chief Dev. Officer |
| CDPET | Cationic Dyeable Poly (Ethylene Terephthalate) |
| CDR | Complementarity Determining Region |
| CDS | Colonic Delivery System |
| CDS | Cognitive Dysfunction Syndrome |
| CDT | Carbohydrate Deficient Transferrin |
| CDTA | Cis-1,2-Diaminocyclohexane Tetraacetic Acid |
| CE | Capillary Electrophoresis |
| CEA | Commissariat Energie Atomique (France) |
| CEA | Carcino Embryonic Antigen (oncology) |
| CEA | Cation Exchange Adsorbent |
| CEA | Carotid End Arterectomy |
| CEBC | Crystalline Ethylene Butene Copolymer |
| CEC | Capillary Electro Chromatography |
| CEC Ophtha | Corneal Endothelial Disease |
| CED | Convection-Enhanced Delivery |
| CEDD | Centers of Excellence for Drug Discovery |
| CEDI | Continuous Electronic De Ionization (Water Treat.) |
| CEE | Central & Eastern Europe |
| CEG | Controlled Environment Genetics |
| CEI | Consortium fur Elektrochemische Industrie (DE) |
| CEIT | 5-Chloro-2-Ethyl-3-Iso Thiazolone (Biocide) |
| CEL | Chronic Eosinophilic Leukemia |
| CEM | Contrast-Enhanced Mammography |
| CEO | Chief Executive Officer |
| CEOR | Chemical Enhanced Oil Recovery |
| CEP | Cerebral Embolic Protection |
| CER | C Emissions Receipts |
| CERA | Continuous Erythropoietin Receptor Activator |
| CES | Cranial ElectroTherapy Stimulation |
| CETP | Cholesterol Ester Transport Protein |
| CEX | Cation EXchange |
| CF | Cystic Fibrosis |
| CFC | Chloro Fluoro Carbon |
| cfDNA | cell free DNA |
| CFIA | Canadian Food Inspection Agency |
| CFO | Chief Financial Officer |
| CFRP | Controlled Free Radical Polymn. |
| CFRP | C-Fibre Reinforced Plastics |
| CFS | Chronic Fatigue Syndrome |
| CFSAN | Center for Food Safety & Applied Nutrition (USA Government's FDA) |
| CFT | Cryo-Fluorescence Tomography |
| CFTR | Cystic Fibrosis Transmembrane conductance Regulator |
| CGD | Chronic Granulomatous Disease |
| CGH | Comparative Genome Hybridization |
| CGI | Cold Gas Inflator |
| CGL | Charge Generating Layer (electrophotography) |
| Cgl | Cyclo Hexyl Glycine |
| CGM | Continuous Glucose Monitoring |
| CGMP | Current Good Mfg Practices (Pharma.) |
| CGMP | Cyclic Guanosine Mono Phosphate |
| CGP | Ca Glycero Phosphate |
| CGP Onco. | Comprehensive Genomic Profiling |
| CGRP | Calcitonin Gene Related Peptide |
| cGVHD | chronic GVHD |
| CH | Confederation Helvetique |
| CHAMP | Computed Helical Antimembrane Protein |
| CHB | Chronic Hepatitis B |
| CHC | Chlorinated Hydrocarbon |
| CHD | Congenital Heart Disease |
| CHD | Coronary Heart Disease |
| CHDA | Cyclo Hexyl Dicarboxylic Acid (HOOC-C6H10-COOH) |
| CHDM | 1,4-Cyclo Hexa Di Methanol |
| CHDRF | Coronary Heart Disease Risk Factors |
| CHEMRAWN | CHEMistry Research Applied to World Needs |
| CHF | Congestive Heart Failure |
| CHHP | Cyclo Hexyl Hydro Peroxide |
| CHHPM | Cyclo Hexyl Hydroxy Propyl Maleate |
| CHIKV | CHIKungunya Virus |
| CHK | CHeckpoint Kinase |
| CHL | CHLoride |
| cHL | classical HL |
| CHMP | Committee Human use Medicinal Products (EMEA) |
| CHO | Chinese Hamster Ovary |
| CHP | Combined Heat & Power (electricity cogeneration) |
| CHP | Cumyl Hydro Peroxide |
| CHXIT | 4,5-Di Chloro-2-Cyclo Hexyl-3-Iso Thiazolinone (Biocide) |
| CI | Color Index |
| CI | Competitive Intelligence |
| CI-AKI | Contrast Induced Acute Kidney Injury |
| CIA | Chemotherapy Induced Anemia |
| CIAI | Complicated Intra-Abdominal Infection |
| CIAS | Cognitive Impairment Associated with Schizophrenia |
| CIAV | Chicken Infectious Anemia Virus |
| CIC | Chronic Idiopathic Constipation |
| CID | Chemical Inducer of protein Dimerization (cell biology) |
| CIDP | Chronic Inflammatory Demyelinating Polyneuropathy |
| CIED | Cardiovascular Implantable Electronic Device |
| CIGB | Centro de Ingenieria Genetica y Biotecnologia (Cuba) |
| CIGS | Cu In Ga Selenide |
| CIN | Cervical Intraepithelial Neoplasia |
| CIN | Contrast Induced Nephropathy |
| CINOD | COX Inhibiting NO Donating (NSAID) |
| CINV | Chemotherapy-Induced Nausea and Vomiting |
| CIO 1 | Chief Information Officer |
| CIO 2 | Chief Innovation Officer |
| CIP | Continuation-In-Part |
| CIPP | Cured In Place Pipe |
| CIS | Copper Indium Selenium |
| CIS | Commonwealth of Independent States |
| CIS Onco. | Carcinoma In Situ |
| CIT | Chemotherapy Induced Thrombocytopenia |
| CITE | Cap Independent Translation Enhancer |
| CITP | Capillary Iso Tacho Phoresis |
| CIU | Chronic Idiopathic Urticaria |
| CIV | Canine Influenza Virus |
| CJD | Creutzfeldt - Jakob Disease |
| CK | Creatine Kinase |
| CKD | Chronic Kidney Disease |
| CKD-aP | CKD-associated Pruritus |
| CKM | Continuous Ketone Monitoring |
| CL | Cross Linking |
| CL Country | ChiLe |
| CLA | Conjugated Linoleic Acid |
| CLBP | chronic low back pain |
| CLC | Cellular Lightweight Concrete |
| CLDN | CLauDiN |
| CLE | Confocal Laser Endomicroscopy |
| CLE | Confocal Laser Endomicroscopy |
| CLEC | Cross Linked Enzyme Crystal |
| CLEC | Cross Linked Enzyme Crystal |
| ClfA | Clumping Factor A (Staphylococcus Aureus) |
| CLI | Critical Limb Ischemia |
| CLIA | Clinical Laboratory Improvement Amendments |
| CLL | Chronic Lymphocytic Leukemia |
| CLND | Chemi Luminescent Nitrogen Detector |
| CLS | catheter lock solution |
| CLTI | Chronic Limb-Threatening Ischemia |
| CM | Cutaneous Melanoma |
| CMA | Chemical Manufacturers Association (USA) |
| CMC | Comprehensive Medicinal Chemistry (database of pharma. drugs or neardrugs) |
| CMC | p-Chloro-M-Cresol (biocide) |
| CMC | Critical Micelle Concentration |
| CMC | Ceramic Matrix Composite |
| CMC | Carboxyl Methyl Cellulose |
| CMC | Chemistry, Manufacturing, and Controls (FDA) |
| CMF | Cranio Maxillo Facial |
| CMF | Cl Me Furfural |
| CMI | Cell Mediated Immunity |
| CMIA | Chemiluminescent Microparticle Immuno Assay |
| CMIT | 5-Chloro-2-Methyl-4-Iso Thiazolin-3-one (Biocide) |
| CML | Chronic Myeloid Leukemia |
| CML-CP | CML Chronic Phase |
| CMLD | Chemical Methodologies & Library Development (CombiChem) |
| CMMOL | Chronic Myelo MOnocytic Leukemia |
| CMO | Chief Medical Officer |
| CMO | Chief Marketing Officer |
| CMOS | Complementary Metal Oxide Semiconductor |
| CMP | Chemical - Mechanical Polish |
| CMP | Casein Macro Peptides |
| CMPE | (Chloro Methyl Phenyl) Ethane |
| CMS | Cell Matrix System (CV Pathway) |
| CMS | Centers for Medicare and Medicaid Services |
| CMT | Chemically Modified Tetracycline |
| CMU | Concrete Masonry Unit |
| CMV | Cyto Megalo Virus |
| CMVIE | Cyto Megalo Virus Immediate Early (gene promoter). |
| CN | ChiNa |
| CNC | Computerized Numerical Control |
| CNCM | Collection Nationale de Cultures de Microorganismes |
| CNG | Compressed Natural Gas |
| CNP Partic | Calcifying Nano Particles |
| CNP Peptid | C-type Natriuretic Peptide |
| CNRS | Centre Nationale de Recherche Scientifique (France) |
| CNS | Central Nervous System |
| CNS | Center for Neurologic Study (USA) |
| CNSL | Cashew Nut Shell Liquid |
| CNT | C Nano Tube |
| CNTF | Ciliary Neuro Trophic Factor |
| CNV | Classic subfoveal Neo Vascularization |
| CNV | Choroidal Neo Vascularization |
| CNVE | CyaNo-5-methyl-3,6-dioxa-1-octene Vinyl Ether |
| CO | COmpany |
| CO | Catheter Occlusion |
| CO Cardio | Cardiac Output |
| COAT | Coated. Coating |
| COB | Change Of Business |
| COC | Cyclic Olefin Copolymers |
| COC WH | Combined Oral Contraceptive |
| CODH/ACS | CO De Hydrogenase/Acetyl-Coenzyme A Synthase |
| COF | Covalent Organic Framework |
| COFA | COco nut Fatty Acid |
| COFANT | COmmittee for Fair Ammonium Nitrate Trade (fertilizer, USA) |
| COH | Control Of Hunger |
| COI | Cyclo Oxygenase Inhibitor |
| COM | Calcium Oxalate Monohydrate (Urology - Lithiasis) |
| COMA | Cyclic Olefin Maleic Anhydride compd. (electronics photoresist) |
| COMET | COnsorttium on MEtabonomic Toxicology (Pharma.) |
| COMP | Component |
| COMPD | Compound |
| COMPN | Composition |
| COMT | Catechol-O-Methyl Transferase |
| CONC | CONCentrate |
| ConRAC | Consolidated Rent-A-Car |
| CONRAD | Contraceptive Research And Development |
| CONTG | Containing |
| COO | Chief Operating Officer |
| COPD | Chronic Obstructive Pulmonary Disorder |
| COPV | Canine Oral Papilloma Virus |
| CORP | CORPorate, CORPoration |
| COTS | Commercial-Off The Shelf |
| COX | Cyclo O Xygenase |
| Cp | Cyclo Pentadienyl |
| CP | Cis Platin |
| CP | Circularly Polarized |
| CPA | Chloro Platinic Acid |
| CPA | p-Carboxy Phenoxy Acetic anhydride (polymer) |
| CPA | Cyclo Phosph Amide (oncology) |
| CPAP | Continuous Positive Airway Pressure |
| CPB AG. | Colorado Potato Beetle |
| CPB Cardio | Cardio Pulmonary Bypass |
| CPC | Cellular Process Chemistry |
| CPC | Calcium Phosphate Cement |
| CPD | Chloro Propane Diol |
| CPD | Continuous Professional Development |
| CPG | Controlled Pore Glass |
| CPI | Consumers Price Index |
| CPM | bis(p-Carboxy Phenoxy) Methane anhydride (polymer) |
| CPM Cardio | CardioPulmonary Man. |
| CPMP | Committee on Proprietary Medicinal Products (Europe) |
| cPMP Rare | cyclic Pyranopterin MonoPhosphate |
| CPO | p-Carboxy Phenoxy Octanoic anhydride (polymer) |
| CPO | Chief Procurement Officer |
| CPP | bis (Carboxy Phenoxy) Propane anhydride (polymer) |
| CPP | Cell Penetrating Peptide |
| CPP | central precocious puberty |
| CPPS | Chronic Pelvic Pain Syndrome |
| CPQBA | Centro Pluridisciplinar de Pesquisas Quimicas, Biologicas e Agricolas (Unicamp, Brazil) |
| CPR | Cardio Pulmonary Resuscitation |
| CPS | Carboxy Poly Saccharide |
| CPS | Complex Partial Seizures |
| CPSA | Complexed Prostate Specific Antigen |
| CPTES | Chloro Propyl Tri Ethoxy Silane |
| CPU | Central Processing Unit |
| CPV | Canine Parvo Virus |
| CPV | p-Carboxy Phenoxy Valeric anhydride (polymer) |
| CPVC | Chlorinated Poly Vinyl Chloride |
| CR | Controlled Release |
| CR | Calorie Restriction (Aging Prevn.) |
| CR | Chloroprene Rubber |
| CR | Computed Radiography |
| CR Onco. | Complete Remission |
| CRA | Cytokine Regulating Agent |
| CRBSI | Carheter Related Blood Stream Infection |
| CRC | Cooperative Research Centre (AU) |
| CRC Onco. | Colo Rectal Cancer |
| CREB | Cyclic AMP Response Element Binding (protein) |
| CRF | Corticotropin Releasing Factor |
| CRF | Chronic Renal Failure |
| CRH | Corticotropin Releasing Hormone |
| CRHR | Corticotropin Releasing Hormone Receptor |
| CRM | CoRynebacteriuM |
| CRM | Customer Relationship Management |
| CRM Lung | Continuous Respiratory Monitoring |
| CRMA | Cytokine Response Modified A |
| CRO | Contract Research Organization |
| CRO | Chief Regulatory Officer |
| CRP | C Reactive Protein |
| CRP | Controlled Radical Polymerization |
| CRPC | Castration-Resistant Prostate Cancer |
| CRPS | Complex Regional Pain Syndrome |
| CRRT | continuous renal replacement therapy |
| CRS | Cytokine Release Syndrome |
| CRS ENT | Chronic Rhino Sinusitis |
| CRT | Cathode Ray Tube |
| CRT | Cancer Research Technology (UK) |
| CRT | Cardiac Resynchronization Therapy |
| CS | Circum Porozoite protein |
| CS | Connecting Segment |
| CS | Cockayne Syndrome |
| CSA | Camphor Sulfonic Acid |
| CSA | Chief Science Adviser |
| CSA | Central Sleep Apnea |
| CSBP | Cytokine Suppressive antiinflammatory drug Binding Protein |
| CSCC | Cutaneous Squamous Cell Carcinoma |
| CSD | Carbonated Soft Drinks |
| CSD | Cambridge Structural DB |
| CSE | Combined Spinal Epidural |
| CSF | Colony Stimulating Factor |
| CSF | Classical Swine Fever |
| CSF Neuro. | Cerebro Spinal Fluid |
| CSFV | Classical Swine Fever Virus |
| CSH | Ca Silicate Hydrate |
| CSIR | Council of Scientific & Industrial Research (India) |
| CSIRO | Commonwealth Scientific & Industrial Research Organization (Australia) |
| CSK | Chronic Superficial Keratitis |
| CSM | Chloro Sulphonated Monomer (rubber) |
| CSMC | Cedars Sinai Medical Center (USA) |
| CSO | Chief Scientific Officer |
| CSP | Chiral Stationary Phases |
| CSP | Certified Service Provider |
| CSP | Concentrating Solar Power |
| CSPE | Chloro Sulphonated Poly Ethylene (rubber) |
| CSSSI | Complicated Skin and Skin Structure Infections |
| CSSTI | Complicated Skin and Soft Tissue Infections |
| CST | Critical Solution Temperature |
| CSTD | Closed System drug Transfer Device |
| CT | Cooperation Treaty (patents) |
| CT | Cholera Toxin |
| CT | Computer Tomography |
| CT | Chemo Therapy |
| CTA | Clinical Trial Application (Health Canada; MHRA) |
| CTA | Clinical Trial Administrator |
| CTA | cellulose tri acetate |
| CTB | Cholera Toxin B |
| CTC | 2-Chloro Trityl Chloride |
| CTC | Circulating Tumor Cells |
| CTC | CT Colonography |
| CTCL | Cutaneous T-Cell Lymphoma |
| CTE | Coefficient of Thermal Expansion |
| CTE Neuro | Chronic Traumatic Encephalopathy |
| CTFE | Chloro Tri Fluoro Ethylene |
| CTGF | Connective Tissue Growth Factor |
| CTL | Charge Transporting Layer (electrophotography) |
| CTL | Cytotoxic T Lymphocytes (natural killer) |
| CTL | Coal To Liquid |
| CTLA | Cytotoxic T Lymphocyte-associated Antigen |
| CTM | Charge Transporting Material (electrophotography) |
| CTMAOH | Cetyl Tri Methyl Ammonium OH (hydroxide) |
| CTMP | Chemi Thermo Mechanical Pulp (cellulose, paper) |
| CTO | Chief Technology Officer |
| CTO Vascu. | Chronic Total Occlusion |
| CTS | Crystalline Titanium molecular Sieve |
| CTS | Contracted Titano Silicate |
| CTT | Channeling Tablet Technology |
| cTTP | congenital TTP |
| CUDA | Compute Unified Device Architecture |
| CuTC | Cu(I) Thiophene-2-Carboxylate |
| CUTI | Complicated Urinary Tract Infection |
| CV | Cardio Vascular |
| CVC | Central Venous Catheter |
| CVD | Chemical Vapor Deposition |
| CVD | Cardio Vascular Disease |
| CVI | Chemical Vapor Infiltration |
| CVID | Common Variable Immuno Deficiency |
| CVJ | Constant Velocity Joint |
| CVRM | CardioVascular, Renal and Metabolism |
| CVT | continuously-variable transmission |
| CWC | CHEMICAL Weapons Convention |
| CYP | CYtochrome P450 |
| CZ | CZech Republic |
| CZT | Cd Zn Te |