| Anterior commissure (commissura anterior-pars dorsalis) [BRAIN] | Academic & Science |
| Architecture Construction Design | Academic & Science |
| Active Center Differential | Academic & Science |
| Acandi | Airport Code |
| Automatic Cancellation Date | Business |
| Accredited Construction Details | Business |
| Advisory Committee to the Director | Business |
| Approved Contractor's Drawings | Business |
| American College of Dentists | Business |
| Accessible Communication for the Deaf | Business |
| Acencia Debt Strategies, LTD. Ordinary | Business |
| Accord Financial Corporation | Business |
| Available Chemicals Directory | Chemistry |
| Atmospheric Chemistry Division | Chemistry |
| Advanced Chemistry Development | Chemistry |
| Association for Community Design | Community |
| Association for Creatine Deficiencies | Community |
| Association of Computer Dealers | Community |
| Auburn Cord Duesenberg | Community |
| Automatic Call Distribution | Computer and Networking |
| Apple Cinema Display | Computer Hardware |
| Amazon Cloud Drive | Computing |
| All Class Drivers | Computing |
| Audio Controller Device | Computing |
| Automatic Connection Driver | Computing |
| Allocated Configuration Documentation | Computing |
| Access Control Definition | Computing |
| Agent Character Definition | Computing |
| Audio Cd | Computing |
| Apple Corps of Dallas | Computing |
| Adaptive Call Distributor | Computing |
| Active Cyber Defense | Computing |
| Automatic Contact Distributor | Contact |
| Active Contact Defense | Contact |
| Active Call Delivery | General |
| Acronym Challenged Disorder | General |
| Amazon Cover Downloader | General |
| Aircraft Certification Document | General |
| Auto Closure Device | General |
| Amsterdam Coffeeshop Directory | General |
| Advanced Cell Diagnostics | General |
| Automatics call distribution | General |
| Average Call Duration | General |
| Automated Call Delivery | General |
| Automated Call Distribution | General |
| Adjournment in contemplation of dismissal | General |
| Admiralty Chart Datum | General |
| Auto Call Distribution | General |
| Acquittal In Contemplation Of Dismissal | General |
| Advanced Calibration Designs | General |
| Asia Cooperation Dialogue | General |
| Active Centre Differential | General |
| Air Conditioning Demand Switch | General |
| American Championship Daytona | General |
| Active Control Differential | General |
| Asociatia Club Duster | General |
| Automobile Club Dauphinois | General |
| Auburn Cord Duesenberg Club | General |
| Automotive Components Division | General |
| Anular Closure Device | General |
| Advanced Controls and Distribution | General |
| Advance Change Directive | General |
| Automatic Call Distributors | General |
| Anaesthetic Conserving Device | General |
| Amended Construction Documents | General |
| Any Cute Dog | General |
| Auto Club Dragway | General |
| Automatic Cylinder Deactivator | General |
| Auxiliary Control Device | General |
| All Chrysler Day | General |
| Abarth Club Deutschland | General |
| Amicale Citroen Deutschland | General |
| Auto Care and Diagnostics | General |
| Automovil Club Dominicano | General |
| Automobile Club de la Drome | General |
| Automotive Custom Design | General |
| Auto Composites and Design | General |
| Automobilia Club Denmark | General |
| Australian Cattle Dog | General |
| Additional Cash Deposit | Governmental |
| Aviation Concept Development (FAA Engineering, Research, and Development Service) | Governmental |
| AMVET (American VETerans) Code Dictionary | Governmental |
| Advanced Congress of Democrats | Governmental |
| Automatic Call Distributor | Information Technology |
| Asian Cooperation Dialogue | International |
| Asociación Cristiana de Dirigentes | International |
| Art Creative Designer | Jobs |
| Authorized Corporate Director | Jobs |
| Acute Colonic Diverticulitis | Medical |
| acyl-CoA dehydrogenase | Medical |
| Adult Coeliac Disease | Medical |
| Advanced Care Directive | Medical |
| Allergic Contact Dermatitis | Medical |
| Alveolar Capillary Dysplasia | Medical |
| Anaemic of Chronic Disease | Medical |
| Angiokeratoma Corporis Diffusa | Medical |
| Anterior Cervical Discectomy | Medical |
| Anterior Chamber Depth | Medical |
| Anteror Chest Diameter | Medical |
| Apoptotic Cell Death | Medical |
| Arteriosclerotic Coronary Disease | Medical |
| Atherosclerotic Coronary Disease | Medical |
| Australasian College of Dermatologists | Medical |
| Anaemia of chronic disease | Medical |
| Anemia of Chronic Disease | Medical |
| Anterior Cervical Disc | Medical |
| Autism Care Demonstration | Medical |
| Acid-Citrate-Dextrose | Medical |
| Anterior Chest Diameter | Medical |
| Absolute Claudication Distance | Medical |
| Absorbent Cover Dressing | Medical |
| Active Cell Death | Medical |
| Active Compression-Decompression | Medical |
| Angular Canopy Density | Military and Defence |
| Auto-regressive Conditional Duration | Physics Related |
| Air Constrained Dampening | Physics Related |
| Automated Configuration Documentation | Softwares |
| Apex Collaborative Dialing | Telecommunication |
| Alcides Fernández Airport | Transport & Travel |
