See Also: Pickering series(dictionary)
Pickering(medicine)
Pickering, Timothy(encyclopedia)
series(dictionary)
SERIES(finance)
Series(money)
Series(medicine)
series(dictionary)
Series bond(money)
Series HH bond(money)

Pickering series (iou)



Pickering series noun phr. E20.
[Edward Charles Pickering (1846-1919), US astronomer.]
Physics. A series of lines in the spectrum of ionized helium, between 1.01 and 0.36 micrometre.