| Acronym | Meaning |
![](file.png) | CIRES | Cooperative Institute For Research In Environmental Sciences |
![](file.png) | CIRRIS | Cryogenic InfraRed Radiance Instrument For Shuttle |
![](file.png) | CIRRUS-1A | Cryogenic IR Radiance Instrumentation For Shuttle |
![](file.png) | CIRS | Composite Infrared Spectrometer |
![](file.png) | CIS | Chemical Information System |
![](file.png) | CIS | Commonwealth Of Independent States |
![](file.png) | CIS | Characteristic Isochromat Spectroscopy |
![](file.png) | CISA | Continuum Intermediate-state Approxn. (for Scattering) |
![](file.png) | CISC | Configuration Interaction (with) Size-consistency (correction) |
![](file.png) | CISD | Configuration Interaction With Single And Double Excitation |
![](file.png) | CISDQ | Configuration Interaction With Single |
![](file.png) | CISDT | CI With Single And Double And Triple Excitations |
![](file.png) | CISDTQ | Configuration Interaction With Single |
![](file.png) | CISP | Canadian Indoor Source Profile |
![](file.png) | CISS | Chromosome In Situ Suppression |
![](file.png) | CISS | Constant-initial-state Spectroscopy |
![](file.png) | CISTI | Canadian Institute For Scientific And Technical Information |
![](file.png) | CIT | California Institute Of Technology |
![](file.png) | CIT | Cylindrical Ion Trap |
![](file.png) | CITAC | Cooperation On International Traceability And Analytical Chemistry |
![](file.png) | CITE | Chemical Instrumentation Test And Evaluation |
![](file.png) | CITP | Capillary Isotachophoresis |
![](file.png) | CITS | Current-imaging Tunneling Spectroscopy |
![](file.png) | CIV | Critical Ionization Velocity (ionosphere) |
![](file.png) | CIVA | Charge-induced Voltage Alteration |
![](file.png) | CIVB | Configuration Interaction Valence Bond |
![](file.png) | CIWEM | Chartered Institution Of Water And Environmental Management |
![](file.png) | CJCP | Corrected Coupled J Cross-polarization Spectra |
![](file.png) | CJD | Creutzfeldt-Jakob Disease |
![](file.png) | CJII | Canadian Joint Implementation Initiative [with Regard To Greenhouse Gas Control] |
![](file.png) | CJO | Chemical Journals Online |
![](file.png) | CK | Creatine Kinase |
![](file.png) | CK1 | Casein Kinase 1 |
![](file.png) | CKD | Cement Kiln Dust |
![](file.png) | CKRC | Cement Kiln Recycling Coalition |
![](file.png) | CL | Cathode Luminescence |
![](file.png) | CLA | Conjugated Linoleic Acid |
![](file.png) | CLAES | Cryogenic Limb Array Etalon Spectrometer |
![](file.png) | CLAMP | Center For Laser Aided Materials Processing |
![](file.png) | CLBO | Cesium Lithium Borate |
![](file.png) | CLC | Clean Lakes Clearinghouse |
![](file.png) | CLC | Capacity Limiting Constituents |
![](file.png) | CLC | Chloride Channel |
![](file.png) | CLC | Cholesteric Liquid Crystal |
![](file.png) | CLC | Coordinated List Of Chemicals |
![](file.png) | CLCC | Ceramic Leaded Chip Carrier |
![](file.png) | CLCR | Creatinine Clearance |
![](file.png) | CLD | Certainly Lethal Dose |
![](file.png) | CLD | Chronic Lung Disease |
![](file.png) | CLE | Competitive Ligand Exchange |