hi-r - humi
- hi-rel
- hi-rel component
- hibernatation
- hibernating area
- hibiscus
- hiblack
- hickory oil
- hidden determinant
- hidden maximum system
- hidden periodicity
- hiding power
- hiemal aspect
- hierarchy of sets
- high alloy
- high back pressure
- high band standard
- high bandgap semiconductor
- high bipotential focus
- high boiler
- high bound
- high caloric power
- high caloric value
- high calorific power
- high calorific value
- high capacity
- high contact
- high contact pressure
- high crystallinity
- high curve
- high definition
- high definition television
- high densety bale
- high density
- high early strength cement
- high efficiency
- high energy
- high energy electron diffraction
- high energy radiation
- high explosives
- high fermentation
