HV 435957 219967806 2008-06-17T18:01:07Z Shanedidona 185957 add Humanae Vitae link '''HV''' or '''Hv''' may stand for: *Mitochondrial DNA [[Haplogroup HV (mtDNA)|Haplogroup HV]]. *[[Burkina Faso]], [[World Meteorological Organization|WMO]] country code (from the former French name, "Haute Volta"). *[[Hwair]], or ƕ, a [[digraph]] used in transliterating the [[Gothic alphabet]]. *[[Heimevernet]], the [[Norway|Norwegian]] home guard. *[[High voltage|High Voltage]]. *[[Home video|Home Video]]. *[[Hrvatska Vojska]], the [[Croatia]]n army. *[[Hudson Valley]] *[[Hybrid Vehicle]]s. *[[Transavia]], [[IATA]] airline code. *In [[physics]] and [[chemistry]], ''hν'' is the formula for a photon's energy in reactions, e.g. ::2 H<sub>2</sub>O<sub>2</sub> + ''hν'' → 2 H<sub>2</sub>O + O<sub>2</sub> :::''h'' = Planck's constant (in J·s) :::ν or f = Frequency (in Hz) ::Note that ν here is actually the Greek letter [[Nu (letter)|nu]], not the Latin letter v. *[[Vickers Hardness]], a hardness test. *[[Humanae Vitae]], a papal encyclical. {{disambig}} [[de:HV]] [[et:HV]] [[fr:HV]] [[ko:HV]] [[it:HV]] [[ja:HV]] [[sl:HV]] [[sr:HV]] [[fi:Hv]] [[sv:HV]]