- hallway
- halm
- halma
- halmyrolysis
- halo
- halo effect
- halo error
- halo orbit
- halo vision
- halobiont
- halobolite
- halocarbon
- halocarbon compound
- halocarbon coolant
- halocarbon refrigerant
- haloduric
- haloes
- halogen
- halogen bulb
- halogen detection
- halogen headlamps
- halogen headlight
- halogen lamp
- halogen light
- halogen refrigerant
- halogen rock
- halogenate
- halogenated ester
- halogenated hydrocarbon
- halogenation
- halogenic deposit
- halogenide
- halogenous
- haloid
- halokinesis
- halometer
- halometry
- haloperidol
- halophile
- halophilic
- halophilic bacteria
- halophllic bacterium
- halophyte
- halophytic
- halos
- halothane
- halt
- halt acknowledge
- halt button
- halt condition
- halt instruction
- halter
- halterbreak
- haltere
- halting
- haltingly
- halvah
- halve
- halved
- halved joint
- halves
- halving
- halving circuit
- halving line
- halyard
- ham
- ham chisel
- ham collar
- ham cooker
- ham facing
- ham hook
- ham tree
- ham trier
- ham trimmings
- ham-fisted
- ham-handed
- hamadryad
- hamamelidaceous
- hamarthritis
- hamartoma
- hamartomatosis
- hamartoplasia
- hamate
- hamburger
- hamburger steak
- hamburgh
- hame
- hame-fisted
- hamfetter
- hamilton principle
- hamiltonian
- hamiltonianism
- hamite
- hamlet
- hammada
- hammam
- hammer
- hammer anvil
- hammer apparatus
- hammer beam