What does SDF stand for?

Association of Danish Research Libraries (SAUS)

Louisville - Kentucky - Airport symbol (OAG)

Safing and Deservicing Facility - NASA (NASA)

Sanatana Dharma Foundation - Defunct (EA)

Sans Domicile Fixe - No Fixed Address - French

Saskatchewan Development Fund (SAUS)

Satellite Distribution Frame - Telecommunications (TEL)

Scottish Decorators Federation (EAIO)

Screen Definition Facility - Computer science

Seasonal Derating Factor (IEEE)

Secondary Distribution Frame (SAUS)

Self-Defense Force - Vietnam (VNW)

Self-Defense Force - Japan

Self-Defense Forces (SAUS)

Self-Destruct Fuze (SAUS)

Sensor Data Fusion (SAUS)

Serial Data Field - Computer science (VLIE)

Service Data Function (SAUS)

Ship Description File (DNAB)

Ship Design File (OA)

Shipping Development Fund (SAUS)

Shore Development Facility (SAUS)

Signal Delay Format (SAUS)

Simplified Directional Facility - Aviation

Simulation Data File

Simultaneous Double Fire - Automotive engineering

Single Degree of Freedom - Also, SDOF - Acoustics

Single Disk File - Computer science (VLIE)

Sioux Falls College, Sioux Falls, SD - OCLC symbol (OCLC)

Slow Death Factor - Medicine

Slurry Dewatering Facility - Office of Environmental Management, Department of Energy (DEEM)

Social Democratic Federation - Iceland - Political party (PPW)

Social Democratic Federation - Japan - Political party (PPW)

Social Democratic Federation - Later, SDP - Early British political party, members of which were sometimes referred to as "Silly Damn Fools"

Social Democratic Front - Cameroon - Political party (EY)

Social Democratic Front - Ghana - Political party (PPW)

Software Development Facilities (or Facility) (SAUS)

Software Development Facility - Military (CAAL)

Software Development File

Software Development Folder (MCD)

Software Development Folders (SAUS)

Software Development Framework

Sonic Depth Finder

Source Development Fund - Supply and Services Canada

Source Document Folders - IRS

Southern Development Foundation (EA)

Space Delimited File (SAUS)

Space Delimited Format (SAUS)

Spatial Distribution Functions - Of molecules

Special Denatured Formula - Applied to alcohol

Spectral Density Function

Spin-Density Fluctuation - Solid-state physics (UWER)

Standard Data Format - Computer science (CDE)

Standard Distance File (DOMA)

Standard Distribution Format - Computer science

Standard Drug File - Derwent Publications Ltd. - Database

Standiford Field - FAA (TAG)

State Defense Forces (SAUS)

Static Design Factor

Static Direction Finder

Step Down Fix - Aviation (DA)

Stepdown Fix (SAUS)

Stopping Distance Factor (MCD)

Stowe-Day Foundation (EA)

Strategic Defensive Forces - Army (AABC)

Strategic Deterrent Forces (SAUS)

Stress Distribution Factor - Medicine (DMAA)

Stromal Cell-Derived Factor - Biochemistry

Structural Dynamics Malfunction

Structured Display File (SAUS)

Student Description Form - Psychology

Sub Distribution Frame (SAUS)

Subdistribution Frame (SAUS)

Sudan Defence Force - British

Sundorph Aeronautical, Corp. - ICAO designator (FAAC)

Supergroup Distribution Frame - Telecommunications (TEL)

Supplementary Data File (ACAE)

Surface Direct Fire - Navy (CAAL)

Swedish Defense Forces

Symantec Desktop Firewall

Synchronous Diaphragmatic Flutter - Equine term (TED)

Synthetic Discriminant Function (SAUS)

System Data File (SAUS)

System Data Format - Computer science

System Development Facility - NASA (KSC)

System Dialog Facility (SAUS)

System for Document Finding (SAUS)

Standard Data Format - Computer science (VLIE)