logogram /logˈō-gram/ or logograph /-gräf/ (shorthand)

1. A single sign standing for a word, phrase or morpheme
2. A logogriph

• HBC
• H-beam
• HBM
• HBO
• H-bomb
• H-bombs
• HC
• hcf
• HCF
• HCFCs
• HCG
• HCM
• hcp
• HD
• HDA
• HDD
• HDL
• HDMI
• hdqrs
• HDTV
• he
• HE
• He
• HEA
• -head