| Acronym | Definition |
|---|
| SPIDER | Segmented Planar Imaging Detector for Electro-Optical Reconnaissance (Lockheed Martin) |
| SPIDER | Spectral Phase Interferometry for Direct Electric-Field Reconstruction (interferometric technique to accurately characterize optical pulses) |
| SPIDER | Seamless Product Information, Data Exchange, and Repository (CNO OTT) |
| SPIDER | System for Processing Image Data in Electron Microscopy and Related Fields |
| SPIDER | Shared Pedagogical Initiative: A Database of Electronic Resources (University of California) |
| SPIDER | Special Police Information Data Entry and Retrieval |
| SPIDER | Scalable Processor-Independent Design for Extended Reliability |
| SPIDER | Significant Problems Identified to Division for Evaluation & Review |
| SPIDER | SGS Portable Integrated Data Extraction and Reduction |
| SPIDER | Speech Interface for Data Exploitation and Retrieval |
| SPIDER | SPAWAR PEO Integrated Data Environment and Repository |