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HRT
hryvnia
HS
Hs
HSC
HSE
HSGT
Hsien Nien
HSRC
HST
HSV
HT
ht
HTH
HTLV
HTLV-I
HTLV-II
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HPM

HPM (plural HPMs)


noun 
Definition:
 
electrical-infrastructure-destroying bomb: an e-bomb with capacitors that emit powerful electromagnetic impulses able to penetrate hardened targets such as underground bunkers via antennas, air vents, and plumbing pipes and cause massive power surges intended to destroy an enemy's electrical and computer infrastructures

[20th century. Abbreviation of high-power microwave]
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