What does h stand for?

Coefficient of Heat Transfer [Symbol] [Thermodynamics]

Dihydro [As substituent on nucleoside] [Biochemistry]

French Union [MARC geographic area code] [Library of Congress] (LCCP)

Hacia [Around] [Spanish]

Hand-Rearing [of experimental animals] (DMAA)

Harbor (MIST)

Harmonized [Apparent inconsistency explained and shown not to exist] [Used in Shepard's Citations] [Legal term] (DLA)

Harpsichord

Heat Transfer [Physics] (ODA)

Hecto [A prefix meaning multiplied by 10²] [SI symbol]

Height [Symbol] [IUPAC]

Heiress (GEAB)

Heplode [Electronics] (OA)

Hip (ODA)

Hora [Hour] [Latin]

Horizontal (WDMC)

Hour (ADWA)

HTML [Hypertext Markup Language] [Computer science] [Telecommunications]

Human (DB)

Hundred (WDMC)

Hybrid

Hypodermic (DMAA)

Information Theory for a Single Event [Psychology] (QSUL)

Planck Constant [Symbol] [IUPAC]

Precision of Process (DIPS)

Hazardous [Task classification] [NASA] (NASA)

Air Force Training Category

Altitude

Altitude Rate [Symbol] (NASA)

Angular impulse (SAUS)

Atmospheric Head (AAG)

Blister Chemical Agent (SAUS)

Boltzmann Function [Physics] (BARN)

Bracco Industria Chimica [Italy] [Research code symbol]

Declared or Paid after Stock Dividend or Split-Up [Investment term] (DFIT)

Dose equivalent (SAUS)

Electronic Countermeasures Evaluator (SAUS)

Enthalpy [Symbol] [IUPAC] (DEN)

Exposure [Symbol] [IUPAC]

Haemaphysalis [A genus of tick] [Entomology] (DAVI)

Haftarah (BJA)

Hagelkorn [Hailstone] [Bomb] [German military - World War II]

Haggai [Freemasonry]

Hail [Meteorology]

Hair (MELL)

Haler [Monetary unit] [Former Czechoslovakia]

Half

Halfpage [Advertising] (ODA)

Half-Word Designator [Computer science]

Hall

Hallucis (MELL)

HALON [Halogenated Hydrocarbon] (NFPA)

Halothane [Also, HAL] [An anesthetic]

Halt [Computer science] (MDG)

Ham (SAUS)

Hamiltonian (ADWA)

Hamiltonian Function [Mathematics]

Hamlet

Hamlyn Publishing [British]

Hand [Music]

Handage (MELL)

Handbook (SAA)

Handicapped (GOBB)

Handily [Horse racing]

Handy's Ohio Reports [12 Ohio Decisions] [A publication] (DLA)

Hannover [German license plate city code]

Harbor [Maps and charts]

Harcourt General, Inc. [Formerly, General Cinema Corp.] [NYSE symbol] (SPSG)

Hard [or Hardness] [Pencil leads]

Hardness [Of precious stones]

Hardware [Computer science] (MDG)

Hardy [Horticulture]

Hare's English Chancery Reports [A publication] (DLA)

Harmonic (IDOE)

Harmonic Mean [Psychology]

Harn (SAUS)

Harrier (ROG)

Harry [Phonetic alphabet] [Royal Navy] [World War I] [Pre-World War II] (DSUE)

Has

Hashish [Medicine] (EDAA)

Hassle [Sweden] [Research code symbol]

Hatch [Technical drawings]

Hauch [Antigen] [Immunology]

Haustus [A Drink] [Pharmacy]

Have (ROG)

Haven (ADA)

Hawaii Reports [A publication] (DLA)

Hazard (ALAC)

Hazardous Cargo [Shipping]

Hazardous Waste Services Association (EA)

Hazards [Aviation] (PIPO)

Haze [Weather reports]

Hazor (BJA)

Hazy (ABBR)

H-Beam [Architecture]

Head [Anatomy] (DAVI)

Head [Horse racing]

Head [Linguistics]

Header (NFPA)

Head, Hand, and Chest Sets [JETDS nomenclature] [Military] (CET)

Headlines (ABBR)

Headquarters (ABBR)

Healthy

Hearer [Linguistics] (IEL)

Hearing [Motor vehicle violation code used in state of Maryland] (MVRD)

Hearing Power (ROG)

Heart [Freemasonry] (ROG)

Hearts (ADA)

Heart Trouble [Classification system used by doctors on Ellis Island to detain, re-examine, and possibly deny entry to certain immigrants]

Heartwood [Forestry]

Heat [or Heater]

Heater (ABBR)

Heaton Mint [British]

Heavy [Immunology] (ODA)

Heavy [Aviation] (PIPO)

Heavy Lift Cargo Airlines Ltd. [British]

Heavy Sea [Navigation]

Hebrew (BJA)

Heel [Music]

Heelstick [Medicine] (DAVI)

Heft [Part] [German]

Height

Heir

Helicopter [When the second letter or only letter] [Designation for all US military aircraft]

Helicopteros do Brasil SA [Brazil] [ICAO aircraft manufacturer identifier] (ICAO)

Helium [Chemical symbol is He] (AAG)

Helix

Hell (GOBB)

Hemagglutinating [Virology]

Hematite [A mineral]

Hemic Subgroup [Magnetite, chromite, hematite] [CIPW classification] [Geology]

Hemin [Hematology]

Hemisphere [Anatomy] (DAVI)

Hemolysis [Medicine] (EDAA)

Hemophilus [Microbiology] (MAE)

Hemorrhoid (MELL)

Hence

Henry [Symbol] [SI unit of inductance]

Henry (King of England) (DLA)

Henry's Law Constant

Heparin [Pharmacology] (DAVI)

Herb [Botany]

Herbivore

Heres [Heir] [Legal term] [Latin]

Hermit

Hernia [Gastroenterology] (DAVI)

Heroin [Slang]

Hertzog's High Court Reports [South Africa] [A publication] (DLA)

Heterophyes [A genus of trematode worms] [Gastroenterology] (DAVI)

Heterozygosity [Cytology]

Hettangian [Geology]

Hexadecimal (BUR)

Hexapole (OA)

Hexode [Electronics] (OA)

Hic [Here] [Latin]

Hieroglyphics [Freemasonry] (ROG)

High [Engineering]

High Altitude NDB [Aviation] (PIPO)

Highest [Price Quoted of a Stock] [Finance] (BARN)

High Season [Airline fare code]

High Strength Bar Joist [Construction term] (MIST)

High-Viscosity Fuel

Hilary Term [England] [Legal term] (DLA)

Hilkoth (BJA)

Hill (ROG)

Hill's New York Reports [A publication] (DLA)

Hindu (ABBR)

Hinged [Philately]

Hippelates [A genus of insects] [Entomology] (DAVI)

His [Medicine] (EDAA)

Hispanic

Histamine [Anesthesiology]

Histidine [One-letter symbol]

Histidinemethemoglobin [Medicine] (MELL)

Histoplasma [Biochemistry] (DAVI)

Histoplasmosis [Medicine] (EDAA)

Historiae [of Sallust] [Classical studies] (OCD)

Historical Re-Issue [Record cataloging]

History [Secondary school course] [British]

Hits [Baseball]

Hoffmann [Reflex] [Neurology]

Hold [Baseball term] (NDBD)

Holding [Electronics]

Hold state

Holiness (BJA)

Holland [IYRU nationality code] (IYR)

Holy

Holzknecht [Unit]

Home

Homobonus de Cremona [Deceased, 1272] [Authority cited in pre-1607 legal work] (DSA)

Homosexual

Honor

Honorary [Academic degree]

Hooker

Hope [Freemasonry] (ROG)

Hopper-Tainer [A form of container] [British] (DCTA)

Horizon (ABBR)

Horizontal

Horizontal Force of the Earth's Magnetism [Amplitude of a tide]

Hormone [Endocrinology]

Horn

Horrific [Film certificate] [British]

Horror [Literary genre] (WDAA)

Horse [Thoroughbred racing]

Hose (NFPA)

Hospice (MELL)

Hospital [Traffic sign] [British]

Hospital Plane [When suffixed to Navy plane designation]

Host [Freemasonry] (ROG)

Hostiensis [Deceased, 1271] [Authority cited in pre-1607 legal work] (DSA)

Hostile [Military]

Hot

Hotel

Hounsfield Unit [Medicine] (MAE)

House

House Bill [Legal term] (DLA)

House of Representatives

How [Phonetic alphabet] [World War II] (DSUE)

Howard's United States Supreme Court Reports [42-65 United States] [A publication] (DLA)

Hoy [Ship's rigging] (ROG)

Hoyre [Conservative Party] [Norway] [Political party] (PPE)

Hue (VLIE)

Hue slider (SAUS)

Hugolinus de Presbyteris [Flourished, 1197-1238] [Authority cited in pre-1607 legal work] (DSA)

Huguccio [Deceased, 1210] [Authority cited in pre-1607 legal work] (DSA)

Hull (ADA)

Humalog (MELL)

Human

Human Being [Rorschach] [Psychology]

Human Figure (DIPS)

[The] Humanitarian [A publication] (ROG)

Humidifier (EEVL)

Humidity

Hundred

Hungary

Hun-Stoffe [Mustard gas] [Formerly, HS] [Also, HD, HT, M]

Hupp Corp. (SAUO)

Husband

Hussars [Military unit] [British]

Hyaluronidase [Medicine] (EDAA)

Hydrant

Hydraulics (ADA)

Hydrodynamic Head

Hydrogen [Chemical]

Hydrographer to the navy (SAUS)

Hydrographic Survey [Navy] [British]

Hydrolysis

Hydroxydaunomycin [See also ADR, Adriamycin] [Antineoplastic drug]

Hygiene [Preventive and Industrial Medicine] [Medical Officer designation] [British]

Hymenolepis [A genus of tapeworm] [Gastroenterology] (DAVI)

Hyoscine [Organic chemistry]

Hypermetropia [Ophthalmology]

Hyperopia [Ophthalmology] (ROG)

Hyperphoria [Ophthalmology] (DAVI)

Hyperplasia [Medicine]

Hypertension (MELL)

Hypodermic

Hypothalamus [Medicine] (DB)

Hypothesis

Information or Uncertainty Derived from Communication [Psychology] (QSUL)

Information Theory for a Set of Events [Psychology] (QSUL)

Instructor [Army skill qualification identifier]

Magnetic Field Strength [Symbol]

Magnetizing Force [Symbol] (DEN)

Momentum [Measurement]

Mustard (SAUS)

Mustard Gas [Also, HD, HS, HT, M] [Poison Gas] [US Chemical Corps symbol]

Nondirectional Radio Homing Beacon [Navigation charts]

Oersted [Unit of magnetizing force] [Physics] (DMAA)

Recording [Communications term] (DCT)

Regarding [JETDS nomenclature]

Restaurants, Cafes, and Hotel Lounges [Public-performance tariff class] [British]

Search/Rescue [When the first letter of a pair] [Designation for all US military aircraft]

Silo Stored [Missile launch environment symbol]

St Louis [Branch in the Federal Reserve regional banking system] (BARN)

Sulfur Mustard [Emergency Management] (EMA)

Total Energy (ROG)

Turkiye Halk Bankasi [Bank] [Turkey]

Vectorcardiogram Electrode [Cardiology] (DAVI)

History (SPVS)