4DDA: 4-Dimensional Data Assimilation
ABCAS: algorithm beam center and shape
ABJIT: Algorithm Beam Jitter
ACML: AMD Core Math Library
ADAP: Aerodynamic Data Analysis Program
ADASS: Astronomical Data Analysis Software and Systems
AET: Algorithm Evaluation and Test
AFM: Atomic Force Microscopy
AGI: Association for Geographic Information
AGNIC: Agriculture Network Information Center
ALCOM: Algorithm Line-Of-Sight Comparison
ALE: atomic layer epitaxy
ALMA: Arabic Language Multilingual Application
ALOSA: Algorithm Line-Of-Sight Angle
AMeDAS: Automated Meteorological Data Acquisition System
APS: active pixel sensor
BASE: BioArray Software Environment
BCS: Business Continuity Services
BHC: Busy Hour Calls
CAA: Computational Aeroacoustics
CAL: Computer-Aided Logistics
CALS: Computer-aided acquisition and logistic support
CASE: computer-aided systems engineering
CBIR: Content-Based Image Retrieval
CBR: Computers and Biomedical Research
CCC: Central Computer Complex
CCC: ceramic chip carrier
CDF: Common Data Format
CEC: Commission of European Communities
CHI: computer human interface
CIESIN: Consortium for International Earth Science Information Network
CIM: computer-integrated manufacturing
CJO: Chemical Journals Online
CLS: Computational Life Sciences
CMAME: Computer methods in Applied Mechanics and Engineering
CSD: Cambridge Structural Database
CSIC: Customer Specific Integrated Circuit

CTL: Computational Tree Logic
CUTM: Chemical Universal Turing Machine

DCMI: Dublin Core Metadata Initiative