- hi-fi record
- hiflash
- HIFU
- Higashiyama Chieko
- Higashiyama Kaii
- Higgs
- Higgs boson
- Higgs factory
- Higgs field
- Higgs mechanism
- Higgs model
- Higgson
- Higgs particle
- Higgs, Peter (Ware)
- Higgs phenomenon
- Higgs Report
- Higgs sector
- high abundance media
- high accuracy airborne magnetic survey
- high-accuracy timing
- high added value polymer
- high added-value polymer
- High Admiration on Landscape Architecture Theory and Methods of the Mountain Resort for Escaping Summer Hotness
- high alloy steel
- high-alpha transistor