H.C.
hard copy;Holy Communion;House of Commons
H.C.F.
《数学》highest common factor 最大公約数
H.I.
Hawaiian Islands
H.J.
hic jacet語源[ラテン]
H.P.
high power 高出力;high pressure 高気圧;high priest;horsepower;((英))hire-purchase
H.Q.
headquarters
H.R.
House of Representatives;Home Rule;home run;human resources
H.R.H.
Her [His] Royal Highness 妃殿下[殿下]
H.S.
High School;((英))Home Secretary
H.V.
high velocity 高速度;high voltage