H-bend
H-channel
H5N1
Habitat
Hackamore
Hackly
Hagelbarger code
Hair
Half-life
Halftone
Hallucinogen
Hamming code
Hamming distance
Hamming weight
Hand-arm vibration
Handoff
Handover word
Handshaking
Haplotype
Haptoglobin
Hard copy
Hard disk
Hard sectoring
Hardened
Hardpan
Hardware
Hardwire
Hardwood
Harmful interference
Harmless error
Harmonic
Harmonic distortion
Hatchery
Hazards of electromagnetic radiation
HDPE
Head end
Head-of-bus function
Heap leach
Hearsay
Heat capacity
Heat sink
Height gain
Helical antenna
Heliosphere
Helium
Hemagglutination
Hemagglutinin
Hematemesis
Hematocrit
Hematology
Hematoma
Hematuria
Hemiacetal
Hemicellulose
Hemiketal
Hemodialysis
Hemodynamic
Hemolysis
Hemopoietic
Hemoptysis
HEPA
Hepatic
Herbivore
Hermaphrodite
Hertz
Heterochronous
Heterodyne
Heterogeneous
Heterologous
Heteroptroph
Heterotroph
Heterozygosity
Heterozygous
Heuristic routing
Hexadecimal
Hierarchical
HIPAA
Histocompatibility
Histone
Histosol
Homing
Homochronous
Homogeneous
Homologous
Homology
Homozygous
Horizon angle
Hormone
Hornblende
Host
HPAI
HPPD
HTML
Humectant
Humidification
Humus
Hunting
HVAC
Hybrid
Hydration
Hydraulic conductivity
Hydraulic gradient
Hydrocarbon
Hydrogen
Hydrogen maser
Hydrogen peroxide
Hydrology
Hydrolysis
Hydrophilic
Hydrophobic
Hydroxyl ion absorption
Hydroxyquinoline
Hygrothermograph
Hyperemia
Hyperesthesia
Hypermedia
Hypersonic
Hyperspectral
Hypertension
Hypertext
Hypotension
Hypovolemia
Hypoxemia
Hypoxic
Hypsography
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