| Rank | Abbreviation | Meaning |
|---|
| ***** | COBRA | Coaxial Beam-Rotating Antenna
| |
| ***** | COBRA | Computerised Bibliographic Record Actions
| |
| ***** | COBRA | Constraint-Based Reconstruction and Analysis
| |
| ***** | COBRA | Cogeneration, Boiler and Refrigeration Professionals
| |
| **** | COBRA | COnservation of a vital european scientific & Biotechnological Resource: microAlgae & cyanobacteria
| |
| **** | COBRA | Comprehensive Omnibus Budget Reconciliation Act
| |
| *** | COBRA | Cornell Beam Research Accelerator
| |
| *** | COBRA | constant boiling and rod arrays
| |
| ** | COBRA | Coherent Online Baseband Receiver for Astronomy
| |
| ** | COBRA | Continuous Beam Research Apparatus
| |
| * | COBRA | combined bisulfite restriction analysis
| |
| * | COBRA | Calculation of Flow in Rod Bundle Reaction Assemblies
| |
| * | COBRA | Comparison of Balloon vs Rotational Angioplasty
| |
| * | COBRA | Combinatietherapie Bij Reumatoide Artritis
| |
| * | COBRA | Consolidated OmnibusBudget Reconciliation Act
| |