- hollow rim
- hollow walling
- hollowing out
- holonomic constraint
- homestead
- homogeneous body
- homogeneous system
- homogeneous wall
- homogenization silo
- homotaxis
- honeycomb structures
- honeycombed
- honeycombhood
- hook block
- hook crane
- hoop
- hoop elevator
- hooped column
- hooped pile
- hooping
- hop
- hopeless
- hopper sash
- hopper window
- horary tariff
- horizontal acceleration
- horizontal angle
- horizontal apex
- horizontal auger
- horizontal bar
- horizontal diaphragm
- horizontal distance
- horizontal drain
- horizontal illuminance
- horizontal joint
- horizontal leak
- horizontal panel
- horizontal pressure
- horizontal reaction
- horizontal scale
- horizontal screen
- horizontal section
- horizontal sheeting
- horizontal shore
- horizontal thrust
- horizontal timber
- horizontal trace
- horn
- hornblende schist
- hornbook
- horse rider
- horse scaffold
- horse stable
- horseshoe arch
- horticultural glass
- hose clip
- hose coupler
- hose lap
- hose pipe
- hose tap
- hospital building
- hospital window
- host
- host computer
- hot bituminization
- hot cure
- hot driving
- hot mixture
- hot patch
- hot riveting
- hot spot
- hot surface
- hot tar
- hot weather
- hot zone
- hot-rolled
- hotel
- hotel hall
- hotel lock
- hotel room
- hotel vestibule
- hothouse
- hothouses block
- hothouses complex
- hour-lines
- hourly output
- house building
- house cable
- house drain
- house moving
- house property
- house relocation
- house riser
- house sewer
- house shifting
- house trailer
- house wiring
- housed stair
- housed string
- housing complex