Haymarket (SAUS)
Hyperopia Manifest - Ophthalmology (DAVI)
Manifest Hypermetropia - Medicine
Manifest Hyperopia - Medicine (PALA)
Heard and McDonald Islands - MARC country of publication code - Library of Congress (LCCP)
Hectometer (ADWA)
hectometre (SAUS)
hectometric (SAUS)
Hematite - CIPW classification - Geology
Hydroxymethyl - As substituent on nucleoside - Biochemistry
Air-Cushion Vehicle Built by Hovermarine - Usually used in combination with numerals
Air Mahe - ICAO designator (AD)
Habitation Module (SSD)
Haematite (SAUS)
Hahns Macaw - Bird
Half Morocco
Hallmark
Hamarein Air - United Arab Emirates - ICAO designator (ICDA)
Hameln-Pyrmont - German license plate city code
Hampshire Regiment (SAUO)
Handelsministerium (SAUO)
Hand-Made (SAUS)
Hand Motion - Vision - Neurology (DAVI)
Hand Movement
Hands of Mercy - An association (EA)
Harbor Master
Hard Magnetic (SAUS)
Hardness Maintenance (MSA)
Hardware Malfunction (SAUS)
Hardware Monitoring (SAUS)
Hardware Multiple
Harmonic Mean - Music
Harmonic Motion (SAUS)
Harper's Magazine - A publication (BRI)
Hazard Mitigation - Emergency Management (EMA)
Hazardous Material (DNAB)
Head Master (SAUO)
Head Mistress (SAUO)
Head Motion - Gravity
Head Movement (SAUO)
Health Maintenance (DB)
Health Ministries (EA)
Health Monitoring - Environmental science (COE)
Healthy Male (ROG)
Heard and McDonald Islands - ANSI two-letter standard code (CNC)
Heart Murmur - Cardiology (MAE)
Heated Mirrors - Automotive engineering
Heater Middle (IAA)
Heater Mid-tap (SAUS)
Heavily Muscled (STED)
Heavy Maintenance - Ordnance
Heavy Metal - Rock music type
Heavy Metal - Inorganic chemistry
Heavy Mobile
Hebra-Medin - Medicine (QSUL)
Hectometer - 100 meters
Heimlich Maneuver - Medicine (MELL)
Heine-Medin - Disease - Medicine (DB)
Helicopter Mine Countermeasure Squadron - Military (DOMA)
Heloma Molle - Medicine (MELL)
Hemifacial Microsomia - Medicine (MELL)
Hepatic Metabolism (STED)
Hepatic Microcirculation - Physiology
Heritage Manor (BJA)
Hermeter Master - Freemasonry (ROG)
Hertwig-Magendie - Syndromes - Medicine (QSUL)
Hexamethylmelamine (STED)
Hidden Memory (SAUS)
Hidden Mickey - Disney (DIS)
High Magnification (SAUS)
High-Meaningfulness - Psychology
High Melting (OA)
High-Melting (SAUS)
High Modulus - Mechanical engineering
High-Modulus (SAUS)
High Molecular - Weight - Also, HMW - Organic chemistry
High-Resolution Monochrome (VLIE)
Him - Telegraphy (PCTE)
Hinge Mount (MCD)
His - or Her Majesty
Hispanic Male (MELL)
Historia Mathematica - A publication
History of Medicine (SAUO)
HM - NCIC trailer make code
Hmong-Mien - Linguistics (IEL)
Hoc Mense - In This Month - Latin
Hoist Motor (SAUS)
Hold Mode (SAUS)
Hollerith Machine (SAUS)
Hollow Metal - Technical drawings
Hologram Memory (SAUS)
Holosystolic Murmur - Medicine (MELL)
Holter Monitor (STED)
Home (ROG)
Home Mission
Homestake Mining Co. - NYSE symbol (SPSG)
Home Zone (JAGO)
Homogenization Medium
Honorary Member - Freemasonry (ROG)
Honourable Mention (SAUS)
Horizontal Marriage
Horizontal Meridian - Optics, eye anatomy
Horniman Museum - London
Hoshen Mishpat, Shulhan 'Arukh (BJA)
Hospital Corpsman - Navy rating
Hospital Management (STED)
Hot Mix (SAUS)
Houghton Mifflin Co. - Publisher
Hours, Minutes (ROG)
House Magazine - Australia - A publication
Housing Management - HUD
Huius Mensis - This Month's - Latin
Human Milk - Biochemistry (MAE)
Humidity Mask (MELL)
Huntingdon Militia - British military (DMA)
Hybrid Modulation (SAUS)
Hydatidiform Mole - Gynecology
Hydra Medium - Culture medium
Hydraulic Modelling (SAUS)
Hydrogen MASER
Hydromagnetic (SAUS)
Hydromechanical (SAUS)
Hydrometallurgy (SAUS)
Hydrometeorological
Hyperimmune Mice
Hypermedia (SAUS)
Hypothetical Machine (MHDB)
Hypoxic-Metabolic (STED)
Hysteresis Motor - Electronics (IAA)
Marine Helicopter Squadron
Master of Humanities
Sandoz - Italy - Research code symbol
Sisters of the Humility of Mary - Roman Catholic religious order
The Haunted Mansion - Disney (DIS)
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