- high water
- highway
- highway ditch
- highway grading
- highway junction
- highway trailer
- highway user
- hilly ground
- hinge support
- hinged arch
- hinged beam
- hinged column
- hinged end
- hinged girder
- hinged rail
- hingeless bridge
- hip roof
- hipped end
- hire station
- historic city
- historical gallery
- hitch
- hobby computer
- hod
- hodometer
- hoggin
- hoist room
- hoisting
- hoisting compartment
- hole saw
- hollow block
- hollow burning
- hollow charge
- hollow floor
- hollow mast
- hollow out
- hollow pier
- high fidelity
- high gear
- high land
- high plain
- high school
- high tide
- higher geodesy
- highlight
- highlighting box
- highly concentrated
- highway crane
- highway intersection
- highway maintenance
- highway project
- highway surveying
- highway tunnel
- hilly sands
- hinge
- hinge point
- hinged bracing
- hinged joint
- hinged plate
- hinged support
- hingeless frame
- hip
- hip rafters
- hip vertical
- hipped roof
- hissing arc
- historic town
- historical center
- historical monument
- hob
- hodograph
- hoffman kiln
- hogbacked bridge
- hoist bridge
- hoist safety
- hoisting cradle
- hoisting hook
- hoisting system
- hoisting winch
- hold time
- hold-yard
- holdfast
- holding capacity
- hole size
- hollow
- hollow brickwork
- hollow cathode
- hollow cylinder
- hollow panel
- hollow partition
- hollow pile
- hollow section
- hollow rivet
- hollow slab
- hollowing plane
- holonomic system
- home computer
- homogeneous concrete
- homogeneous radiation
- homogenous material