What does HC stand for?

Command Chaplain - AFSC

Critical Height - Aviation (DA)

Cross of Honour - British military (DMA)

Crystal Holder - JETDS nomenclature - Military (CET)

Ecuador - International civil aircraft marking (ODBW)

Habeas Corpus - You Have the Body - Legal term - Latin (DLA)

Habitual Criminal

Hadley Centre for climate prediction and research (SAUS)

Hagerstown College (SAUO)

Hague Convention

Hair Cell - Otology

Hairdressing Council (BUAC)

Haiti Air International - ICAO designator (AD)

Halcyon Club (SAUO)

Half Calf

Half-Caste (ADA)

Half Cell (SAUS)

Half-Changes - Statistics

Half Chest

Half Covered - Marine insurance (ROG)

Half Cycle (SAUS)

Halochromism (SAUS)

Halochromy (SAUS)

Halt Command (SAUS)

Hamilton Circuit (SAUS)

Hamline College (SAUO)

Hammingcode (SAUS)

Handbooks for the Clergy - A publication

Hand Carry

Hand-Colored - Photography

Hand Compute (SAUS)

Hand Control - Technical drawings

Hand Controlled (SAUS)

Hand Controller - Aerospace (NAKS)

Hand Crank

Hand Cut - Envelopes

Hand-Held Unit Chromatography

Handicapped - Medicine

Handling Capacity (DEN)

Hanging Cast (MELL)

Hanging Ceiling (OA)

Hannibal Connecting Railroad Co. (SAUO)

Hannibal Connecting R. R. - AAR code

Hanover College (SAUO)

Hanover Compressor - NYSE symbol (SPSG)

Hard Cancer (MELL)

Hard Case - Gunnery

Hard Copy - Computer science

Hardcore

Hard Cover (ADWA)

Hard Cradle Balancer (SAUS)

Hardened Concrete (SAUS)

Harding College (SAUO)

Hardware Capability (NITA)

Hardware Check (SAUS)

Hardware Command (SAUO)

Harmless Cloud (SAUS)

Harpur College (SAUO)

Hartford College (SAUO)

Hartford Courant (SAUS)

Hartnell College (SAUO)

Hartwick College (SAUO)

Harvard Circular - A publication (SAUS)

Harvard College (SAUO)

Hastings Center (EA)

Hastings College (SAUO)

Hatz Club (EA)

Hauling Class

Hauling Code

Haute-Contre - Alto - Music

Haverford College (SAUO)

Hazardous Cargo (SAUS)

Hazardous Constitutients (GNE)

Head Card (SAUS)

Head Circumference - Medicine

Head Compression (AAMN)

Head Constrictor - Medicine (EDAA)

Head Control (SAUS)

Headcount

Header Card (SAUS)

Header Check (SAUS)

Heading Card (SAUS)

Headmaster Commander - Navy - British

Headmasters Conference (BUAC)

Headquarters City - Dialog - Searchable field - Information service or system (NITA)

Headquarters Command - Military

Headquarters Commission (SAUO)

Headteachers Conference (SAUS)

Health Canada (SAUO)

Health Category (SAUO)

Health Certificate - British (ADA)

Health Circular (HEAS)

Heal the Children (EA)

Healthy Control - Medicine (DMAA)

Heart Catheterization (MELL)

Heart Cycle - Cardiology (MAE)

Heat Capacity - Electronics (EECA)

Heat-Cleaned (SAUS)

Heat Coil (SAUS)

Heat Conduction (SAUS)

Heat Conservation - Medicine (EDAA)

Heat Control (IAA)

Heat Controlled (SAUS)

Heat Count (SAUS)

Heated Coil (NITA)

Heater Coil (SAUS)

Heater Cord

Heating Cabinet (AAG)

Heating Coil (AAG)

Heat of Combustion (ROG)

Heavy Carbon - Fuels and lubricants

Heavy Chain - Immunoglobulin

Heavy Clouds (SAUS)

Heavy Concrete (SAUS)

Heavy Current - Electronics (IAA)

Heel Cords - Medicine (EDAA)

Heidelberg College (SAUO)

Held Code (SAUS)

Held Covered - Insurance

Helene Curtis Industries, Inc. - NYSE symbol (SPSG)

Helicopter, Cargo (SAUS)

Helicopter Combat (NVT)

Helicopter Combat Support Squadron - Navy (DNAB)

Helicopter Command (NVT)

Helicopter Controler (SAUS)

Helicopter Coordinator - Military (CAAL)

Helicopter Council

Helium Circulation - System

Helminthosporium carbonum - A toxin-producing fungus

Helper Component - Biology

Hematopoietic Cell - Hematology

Hemoglobin Concentration - Medicine (HGAA)

Hendrix College (SAUO)

Heparin Cofactor - Medicine (MELL)

Hepatic Candidiasis - Medicine (MELL)

Hepatic Catalase - An enzyme (MAE)

Hepatic Coma - Medicine

Hepatitis C (SAUS)

Heptachlor (ABAC)

Heralds College (SAUS)

Herding Certified - Purebred canine award

Hereditary Coproporphyria (DB)

Heritage Committee - Australian Capital Territory

Hershey College (SAUO)

Hertford College (SAUO)

Herzberg Continuum - Spectral region

Hesston College (SAUO)

Heterogeneous Catalysis (SAUS)

Heuristic Concepts (IEEE)

Hexachlorethane (SAUS)

Hexachlorethane-Zinc (SAUS)

Hexachloroethane - Organic chemistry

Hexadecimal Code (SAUS)

Hickman Catheter - Medicine (DAVI)

High Calorie (AAMN)

High Capacitance (SAUS)

High Capacity (SAUS)

High-Capacity

High Carbon - Steel

High Chair (SAUS)

High Church

High Churchman - British (ROG)

High Color (CDE)

High commission(er) (ODA)

High Conditioners - Psychology

High Conductivity - Copper

High Conversion (SAUS)

High Cost of Living

High Court

High Court of Justice (SAUO)

High Current

Higher Certificate - Academic degree (AIE)

Highest Commendation (SAUS)

Highland Cyclists - British military (DMA)

Highly Commended (SAUS)

High-Speed CMOS - Computing (ODA)

Highway Code - A publication (DLA)

Highway Contract (TBD)

Hill Climb - Auto racing

Hillsdale College (SAUO)

Hinds Creek Sampling Station - Office of Environmental Management, Department of Energy (DEEM)

Hippocampal

Hiram College (SAUO)

Hire Car (ADA)

Histamine Challenge - Medicine (MELL)

Histamine Club - Later, HRSNA (EA)

Histoplasma Capsulatum (SAUS)

Historical Commission

Historical Cost (ADA)

Hockey Club

Hoist Crane (SAUS)

Hold Cargo (SAUS)

Hold Covered (SAUS)

Holder Crystal (SAUS)

Holding Coil (MSA)

Holding Company - Business term

Holiday Camps - Public-performance tariff class - British

Hollerith Card (SAUS)

Hollerith Code (SAUS)

Hollins Critic - A publication (ANEX)

Hollow Cathode (SAUS)

Hollow Charge (SAUS)

Hollow Core - Technical drawings

Holy Communion

Holy Cross

Home Care

Home Computer (IAA)

Home Consumption (SAUS)

Home Counties (SAUS)

Homogeneous Catalysis (SAUS)

Honor Contracts - Insurance

Honoris Causa - For the Sake of Honor, Honorary - Latin

Hood College (SAUO)

Hope College (SAUO)

Horizontal Cell - Eye anatomy

Horizontal Check (IAA)

Horizontal Cross-Connect (SAUS)

Hors Concours - Not Competing - French

Hose Cabinet - or Connection - NFPA pre-fire planning symbol (NFPA)

Hose Cart - Early fire engines (ROG)

Hose Clamp (MSA)

Hose Connector (SAUS)

Hospital Company (SAUO)

Hospital Corps - or Corpsman - Navy

Hospital Course (DAVI)

Host Cell - Parasitology

Host Computer

Host Country (NATG)

Hostel Care

Hot and Cold

Hot Carrier (SAUS)

Hot Cathode (SAUS)

Hot Compress (MELL)

Hour Circle

House Cable - Telecommunications (TEL)

House Call - Medicine

House Committee (SAUO)

Household Cavalry - British

House of Clergy (SAUS)

House of Commons - British

House of Correction

Housing Census

Housing Commission - Australia

Housing Committee (SAUO)

Howard College (SAUO)

Hroswitha Club (EA)

Hug Club (EA)

Humanist Community (EARSL)

Humid Crepidations - Medicine (ROG)

Humidity Control

Humphreys College (SAUO)

Hungarian Congress (EA)

Hunter College (SAUO)

Hunterian Club (SAUO)

Hunting-Clan Air Transport (SAUO)

Huntington College (SAUS)

Huntington's Chorea - Medicine

Hupmobile Club (EA)

Huron College (SAUO)

Hurt-Comfort - Subgenre of angst in which the purpose of the story is for one character to get hurt

Hussan College (SAUO)

Hutchinson College (SAUO)

Hyaline Casts - Clinical chemistry

Hybrid Circuit - Electronics (IAA)

Hybrid Coil (SAUS)

Hybrid Computer - for processing both analog and digital data (NASA)

Hydatid Cyst (MELL)

Hyderabad Contingent - British military (DMA)

Hydranencephaly - Medicine (AAMN)

Hydraulic Circuit (SAUS)

Hydraulic Clean (MSA)

Hydraulic Components (SAUS)

Hydraulic Concussion (DB)

Hydraulic Conductivity (ABAC)

Hydraulic Controller (SAUS)

Hydraulic Coupling (DCTA)

Hydraulic Cylinder

Hydrocarbon - Organic chemistry

Hydrocodone - Medicine (MEDA)

Hydrocortisone - Endocrinology

Hydrocracking

Hydrogen Chemisorption (SAUS)

Hydrogen Chloride (AABC)

Hydrogen Control (SAUS)

Hydrographic Center - Defense Mapping Agency

Hydrophobic Cellulose (DB)

Hyoid Cornu - Medicine (EDAA)

Hypatia Cluster - Defunct (EA)

Hypothetical Construct (DIPS)

Hysteresis Comparator

Hysterical Convulsions (MELL)

Pechiney-Progil - France - Research code symbol

Reports of the High Court of Griqualand West - South Africa - A publication (DLA)

Screening Smoke - Mixture

Altitude at Chosen Position - Nautical term (NTA)

Hermitian conjugate (SAUS)

Hornyhead Chub - Ichthyology

Hydrocolloid (DMAA)