Sharp Principal Diffuse Fundamental
Key Facts
Abbreviation
SPDF
Pronunciation
/ʃɑrp ˈprɪnsəpəl dɪfˈjuz ˌfəndəˈmɛnəl/
Category
Miscellaneous
Related Field
Unclassified
Other meanings of SPDF
Space Physics Data Facility
Academic
Orbits in an electron shell
Academic
Special Park Districts Forum
Community