2. Initialism. Spectral Power Distribution ¹
¹ Source: wiktionary.com
Lexicographical Neighbors of Spd
SOWPODS SP SP1 SP220K cell surface matrix proteinase SPAD SPADed SPADing SPADs SPAG SPAM | SPAN SPARQL SPB SPCA SPCUM SPD SPDL SPE SPECT SPF | SPFA SPG SPGB SPL SPLA SPM SPOF SPP |