sort by Rank | Alpha
| Possible Meanings | Rank |
| Hierarchical Agglomerative Clustering | **** |
| Huntington Arts Council | **** |
| Haitian American Community | **** |
| Houston Area Chapter | **** |
| Heritage Advisory Committee | **** |
| Honors and Awards Committee | **** |
| Hawkesbury Agricultural College | **** |
| Hands Across the Campus | **** |
| Honorary Advisory Committee | **** |
| Harbour Arts Centre | **** |
| Hispanic Advisory Committee | **** |
| Health Awareness Center | **** |
| Housing Advisory Commission | **** |
| Humanitarian Assistance Center | **** |
| Haagse Assurantie Club | **** |
| Hospital Advisory Council | **** |
| Heating Air Conditioning | **** |
| Hands Across Cultures | **** |
| Housing Aid Centres | **** |
| High Anglican Church | **** |
| Hill Start Assist Control | **** |
| Housing Appeals Committee | **** |
| Hearing Aid Compatibility | **** |
| Health Action in Crisis | **** |
| Housing Action Council | **** |
| Housing Advice Centres | **** |
| Historic Aircraft Collection | *** |
| Healthy and Active Communities | *** |
| Honors Advisory Council | *** |
| Homeowners Against Citizens | *** |
| Homebuilders Association of Central | *** |
| Hormonally Active Compounds | *** |
| Human Adaptation and Countermeasures | *** |
| Honda Aircraft Co | *** |
| Hazardous Air Contaminants | *** |
| Hiking and Camping | *** |
| Hatfield Athletic Club | *** |
| Heating and Air Conditioning | *** |
| Hotel Association of Canada | *** |
| Healing Arts Communications | *** |
| Hughes Aircraft Company | *** |
| Heating and Cooling | *** |
| Health and Athletic Center | *** |
| Housing Assistance Corporation | *** |
| Houston Annenberg Challenge | *** |
| Human Aids to Communication | *** |
| House of Advanced Computers | *** |
| Hope Action Care | *** |
| Heteroskedasticity and Autocorrelation Consistent | *** |
| Huachuca Astronomy Club | *** |
| Heritage Arts Centre | *** |
| Horse Advisory Committee | *** |
| Health Action Council | *** |
| Housing Assistance Centers | *** |
| Heterocyclic Aromatic Compounds | *** |
| Horticulture Australia Council | *** |
| Health Advisory Committee | *** |
| Hamilton Aquatic Club | *** |
| House Armed services Committee | *** |
| Humanitarian Assistance Committee | *** |
| Harrisburg Area CC (Harrisburg, PA) | *** |
| Harrison Arts Center (Lakeland, FL) | *** |
| Hybrid Access Control | *** |
| Hajj Assistance Committee | *** |
| Hypothetical Accident Conditions | *** |
| Health Administration Corporation | *** |
| History of Aviation Collection | *** |
| Hellenic Alternative Charts | *** |
| Haringey Athletic Club | *** |
| housing america corporation | *** |
| Hungarian American Coalition | *** |
| Housing Advisory Committee | *** |
| Harvard AIDS Coalition | *** |
| Heritage Alliance Church | *** |
| Health and Aged Care | *** |
| Humboldt Arts Council | *** |
| Homeless Advocacy Coalition | *** |
| Housing Association Charity | *** |
| Houston Aeros Charities | *** |
| Hungarian Accreditation Committee | *** |
| High Activity Carbon | *** |
| hermann arts council | *** |
| High Amplitude Continuous | *** |
| Heading Alignment Cylinder | *** |
| Hospital Advisory Committee | *** |
| Homeless Advisory Commission | *** |
| Half American Children | *** |
| Hamburg American Clock | *** |
| Huntington Art Center | *** |
| Hellenic ArmA Community | *** |
| Homeless Assistance Corporation | *** |
| Having Affordable Coverage | *** |
| Hobby Art Crafts | *** |
| Halloween Action Committee | *** |
| Hearing Aid Centers | *** |
| Hispanic Advisory Council | *** |
| Helicopter Association of Canada | *** |
| homeless action committee | *** |
| human artificial chromosomes | *** |
| Human Agent Communication | ** |
| Hamburg American Co | ** |
| Hague Academic Coalition | ** |
| hepatic arterial chemotherapy | ** |
| hepatic arterial conductance | ** |
| hepatic artery catheter | ** |
| Hepatic artery chemotherapy | ** |
| Hierarchical Ascendant Classification | ** |
| high affinity choline | ** |
| high alcohol consumption | ** |
| high amplification cardiography | ** |
| high amplitude contractions | ** |
| highest admissible concentrations | ** |
| highly autophagic cells | ** |
| Hot air coagulation | ** |
| Hourly Accident Coefficient | ** |
| human acid ceramidase | ** |
| human amnion collagen | ** |
| human articular cartilage | ** |
| human articular chondrocyte | ** |
| human articular chondrocytes | ** |
| hyaline articular cartilage | ** |
| hydroxy apatite ceramic | ** |
| Hyperkeratosis-associated coryneform | ** |
| House Advisory Committee | ** |
| Housekeeping Aids Closet | ** |
| Hepatitis Advisory Committee | ** |
| Hamilton Aero Club | ** |
| Helicoptere Anti Char | ** |
| Housing Area Command | ** |
| Herbatnic Alpin Club | ** |
| Hindustan Aluminium Corporation | ** |
| Humanitarian Assistance Centres | ** |
| Helicoptère Anti Char | ** |
| hepatic artery catheter-insertion | ** |
| hepatic intrarterial chemotherapy | ** |
| hexamethylmelamine, Adriamycin , and cisplatin | ** |
| hexamethylmelamine, Adriamycin, and cyclophosphamide | ** |
| hospital admission for chemotherapy | ** |
| human adult adrenocortical cells | ** |
| Honor Advisory Council | ** |
| Harbor Acquisition Corporation | ** |
| Hydroxylated Aromatic Compounds | ** |
| Heavy Assault Cruisers | ** |
| Holloway Arms Co | ** |
| Huntingdale Auto Club | ** |
| HIPAA Advisory Committee | ** |
| Hearing Assessment Center | ** |
| Health Advisory Council | ** |
| High Authority Control | ** |
| Harmonization Alignment Coordination | ** |
| HOPWA Advisory Committee | ** |
| High Acid Crudes | ** |
| hamster epiphyseal chondrocytes | ** |
| hydroxyapatite/collagen composite | ** |
| Humanitarian Assistance Commission | ** |
| Heading Alignment Cone | ** |
| Hells Army Clan | ** |
| High Aspect Contact | ** |
| Hilltop Auto Center | ** |
| HIV AIDS Communicators | ** |
| Host Account Cache | ** |
| Haagse Automobilisten Club | ** |
| Herbicide Assessment Commission | ** |
| Hershey Aquatic Club | ** |
| Hispanic American Central | ** |
| Harborside Academic Center | ** |
| Homer Athletic Club | ** |
| Hydrogen Atomic Clocks | ** |
| Hyperpolarization Activated Cation | ** |
| Hammock Advisory Committee | ** |
| Hershey Apple Core | ** |
| Horten Aluminium Conductors | ** |
| Human Assurances Committee | ** |
| Hemp Awareness Council | ** |
| Humanitarian Aid Committee | ** |
| Hungarian Accreditation Council | ** |
| Herding Advisory Committee | ** |
| Hierarchical Arc Consistency | ** |
| Handicap Advisory Committee | ** |
| High Altitude Catchments | ** |
| Haven Activities Council | ** |
| Hispanic Action Committee | ** |
| Housing Affairs Committee | ** |
| Housing Appeal Committee | ** |
| Hannity and Colmes | ** |
| Health Admin Center | ** |
| Hispanic Awareness Club | ** |
| Hunger Advisory Council | ** |
| Hussein Aoueini Co | ** |
| Hyundai Auto Canada | ** |
| Helicopter Association Canada | ** |
| Harrisburg Area Community | ** |
| hildene astronomy club | ** |
| Homeowner Assistance Centers | ** |
| Halogenated Aromatic Compounds | ** |
| Helsinki Athletics Cheerleaders | ** |
| Housing Advisory Council | ** |
| harbor acquisition corp | ** |
| HIOSH Advisory Committee | ** |
| Hmong Advisory Council | ** |
| Hopkins Academic Computing | ** |
| horizontal air curtains | ** |
| Hiking And Canoeing | ** |
| Holy Angels Chorale | ** |
| Housing Action Committee | ** |
| Hydro Abrasive Cutting | ** |
| Hierarchical Access Control | ** |
| Homebuyers Advice Centre | ** |
| Hana Advisory Committee | ** |
| Havre Animal Control | ** |
| Health Action Committees | ** |
| Heart Assessment Centre | ** |
| HIAPER Advisory Committee | ** |
| Highland Aero Club | ** |
| Houston Admissions Center | ** |
| Human Agent Communications | ** |
| Hindu Awareness Club | ** |
| Hydrogenated Amorphous Carbons | ** |
| Hall Amenities Committee | ** |
| Hammond Athletic Conference | ** |
| Harrison Avenue Campus | ** |
| High Active Concentrates | ** |
| Hans Andersen Club | ** |
| Healthcare Advisory Committee | ** |
| Hearts and Cherubs | ** |
| Hodnet Angling Club | ** |
| Homeless Assistance Centers | ** |
| Humanists Association of Canada | ** |
| Heritage Advisory Commission | ** |
| Hollow Anode Cathode | ** |
| Honorary Awards Committee | ** |
| Hospital AIDS Committee | ** |
| House Appropriation Committee | ** |
| Hungarian American Congressional | ** |
| Health Action Coalition | * |
| Health Assessment Comparison | * |
| Helicopter Aircraft Commanders | * |
| Higher Appointments Commission | * |
| Housing Action Corporation | * |
| Housing Assistant Corporation | * |
| Human Application Consulting | * |
| Hunting Advisory Council | * |
| Heading Alignment Circles | * |
| Healthy Ageing Convention | * |
| Heliborne Applique Communications | * |
| Heteroscedasticity and Autocorrelation Consistent | * |
| Highest Average Compensation | * |
| Holland Africa Computer | * |
| Housing Assistant Council | * |
| Humanitarian Assistance Coordination | * |