- homology
- homopolar alternator
- hone
- honeycomb storage
- honeycomb vault
- honeymoon
- honing stone
- hood
- hook
- hook chain
- hook joint
- hooked tongs
- hoop reinforcement
- hopper car
- hopper gantry
- horizontal angulation
- Horizontal Curve
- horizontal drawing
- horizontal drilling
- horizontal limits
- horizontal projection
- horizontal rue
- horizontal shoot
- horizontal stress
- horizontal throw
- hornblende
- horror drama
- horse
- horse road
- horticultural structure
- hose coupling
- hospital door
- hospital partition
- host system
- hostel
- hot aggregates
- hot body
- hot face
- hot mix
- hot molding
- hot news
- hot pass
- hot paste
- hot riveter
- hot rolling
- hot wire
- hot-brittle
- Holy sepulchre
- holystone
- home key
- home signal
- homebase
- homogeneity
- homogeneous coal
- homogeneous deformation
- homogeneous material
- homogeneous sand
- homogeneous soil
- homogeneous strain
- homogenization
- homogeny
- homologues
- homothermal
- honest
- honeycomb structure
- honeycombed area
- honing machine
- hook bolt
- hook nail
- hooped reinforcement
- hope
- hopper
- hopper scales
- horizontal
- horizontal alignment
- horizontal anchorage
- horizontal apron
- horizontal boiler
- horizontal clearance
- horizontal displacement
- horizontal load
- horizontal plugging
- horizontal press
- horizontal profile
- horizontal restraint
- horizontal seismograph
- horizontal survey
- horizontal tie
- hornblende granite
- horseshoe curve
- hose connection
- hot cement
- hot concrete
- high ground
- high latitude
- high quality
- high redundant
- high sea
- high sound
- high street