| Acronym | Definition |
|---|
| CL➣Clear (Morse Code abbreviation) |
| CL➣Class |
| CL➣Chile (country code, top level domain) |
| CL➣Champions' League (Union of European Football Associations) |
| CL➣CAS (Column Address Strobe) Latency |
| CL➣Close(d) |
| CL➣Claim |
| CL➣Color |
| CL➣Clearance |
| CL➣Classification |
| CL➣Closer (baseball pitcher) |
| CL➣Clinic |
| CL➣Contact Lens |
| CL➣Craig's List (online community) |
| CL➣Common LISP |
| CL➣Cluster |
| CL➣Control Language |
| CL➣Cloth |
| CL➣Clause |
| CL➣Circular Letter |
| CL➣Light Cruiser (Cruiser-Light) |
| CL➣Chlorine |
| CL➣Celtic (linguistics) |
| CL➣Closet |
| CL➣Computational Linguistics |
| CL➣Common Law |
| CL➣Central Locking |
| CL➣Consumer Lab |
| CL➣Closed Loop |
| CL➣Clarinet |
| CL➣Caprolactone |
| CL➣Command Language |
| CL➣Creative Loafing (Charlotte, NC weekly publication) |
| CL➣Caltanissetta (Sicilia, Italy) |
| CL➣Components List |
| CL➣Colgate-Palmolive (stock symbol) |
| CL➣Cooperative Learning |
| CL➣Chinese Language |
| CL➣Chain Link (Fence) |
| CL➣Check List |
| CL➣Cotton Lycra (fabric) |
| CL➣Copyleft (license) |
| CL➣Computer Lab |
| CL➣Catholic-Link |
| CL➣Clarion-Ledger (Jackson, MS newspaper) |
| CL➣Chemical Element |
| CL➣Comparative Literature (various schools) |
| CL➣Centerline |
| CL➣Control Logic |
| CL➣Californian (rabbit breed) |
| CL➣County Library |
| CL➣Courtney Love (musician) |
| CL➣Civil Law |
| CL➣Confidence Level |
| CL➣Confidence Limit |
| CL➣City of London |
| CL➣Controlled Load |
| CL➣Code: Lyoko (cartoon) |
| CL➣Collaborator |
| CL➣County Line |
| CL➣Caps Lock |
| CL➣Chicken Little |
| CL➣Character Limit |
| CL➣Current Liabilities |
| CL➣Corpus Luteum |
| CL➣Connectionless |
| CL➣Child Labour |
| CL➣Customer Loyalty |
| CL➣Cathodoluminescence |
| CL➣Credit Lyonnais (French Bank) |
| CL➣Change List (software development) |
| CL➣Cystic Lymphangioma |
| CL➣Compatibility List |
| CL➣Corpus Linguistics (Conference) |
| CL➣Computing Laboratory |
| CL➣Code Lyoko (French TV cartoon) |
| CL➣Carload |
| CL➣CableLabs (Cable Television Laboratories, Inc.) |
| CL➣Current Limiting |
| CL➣Cliff Lee (baseball player) |
| CL➣Centiliter |
| CL➣Comunione e Liberazione (Italian: Communion and Liberation; Catholic movement founded in 1954) |
| CL➣Cyber Law |
| CL➣Cutaneous Leishmaniasis |
| CL➣Current Loop (electronics) |
| CL➣Candidate List |
| CL➣County Law |
| CL➣Contacts List |
| CL➣Continuous Learning |
| CL➣Central League (Japanese baseball) |
| CL➣Control Limit |
| CL➣Chaos Legion (video game) |
| CL➣Competent Leader (Toastmasters) |
| CL➣Current Limiter |
| CL➣Chain Lightning (gaming) |
| CL➣Crew Leader |
| CL➣Cable Link |
| CL➣Central Luzon (Philippines) |
| CL➣Container Load (shipping) |
| CL➣Clear Liquids |
| CL➣Clan Leader (gaming) |
| CL➣Contract Labor |
| CL➣Customs Law |
| CL➣Cine Latino (Mexico) |
| CL➣Col Legno (string instrument technique) |
| CL➣Chapter Leader |
| CL➣Crimson Land (game) |
| CL➣Cathedral of Learning (University of Pittsburgh) |
| CL➣Combat Log (gaming) |
| CL➣Cactus League (baseball) |
| CL➣Classified Loan (finance) |
| CL➣Compliance Level |
| CL➣Chemical Laser |
| CL➣Course Line |
| CL➣Carrier Landing |
| CL➣Common Light |
| CL➣Court Leave |
| CL➣Chess Life (journal) |
| CL➣Coefficient of Lift |
| CL➣Continuous Load |
| CL➣Control Loading |
| CL➣Center of Lift |
| CL➣Casual Leave (India) |
| CL➣Conversion Loss |
| CL➣Combat Load |
| CL➣Centre for Limnology (Nieuwersluis, Utrecht, The Netherlands) |
| CL➣Coolant Loop |
| CL➣Copper Loss |
| CL➣Cable Lug |
| CL➣Chat Life |
| CL➣Fraternity of Communion and Liberation |
| CL➣Client Logic (BPO Company) |
| CL➣Compensatory Leave |
| CL➣Catalunya Lliure |
| CL➣Coordination Level |
| CL➣Cecile Licad (classical pianist) |
| CL➣Coordination Line |
| CL➣Chronic Liar |
| CL➣Configured Load |
| CL➣Capabilities Select |
| CL➣Contract Linguist (US government) |
| CL➣Capture Latch |
| CL➣Chivalry Legions (gaming clan, Runescape) |
| CL➣Cued Language |
| CL➣Contractor Leased |
| CL➣Confrontation Line |
| CL➣Lift Co-Efficient (aircraft) |
| CL➣Clobber Hand (gaming; Mega Man) |
| CL➣Certificate in Logistics |
| CL➣Combinator Logic |
| CL➣Caritas Lebanon (Catholic charity) |
| CL➣Air Post Semi-Official (Scott Catalogue prefix; philately) |
| CL➣CodeLeakers (gaming forum) |
| CL➣Closed Loop Control Logic |
| CL➣City and County Library |
| CL➣Commonality List (NASA) |
| CL➣Compartmentalized Level |
| CL➣Clanless Losers (Counter-Strike clan) |
| CL➣Clay, Low Compressibility (LL < 50) |
| CL➣Clear Job Indicator |
| CL➣Cheerlead/Cheerleading/Cheerleader |
| CL➣Class Complexity/Size Due to Local Methods |
| CL➣Controlled Iteration Last Pass |
Cl - a common nonmetallic element belonging to the halogens; best known as a heavy yellow irritating toxic gas; used to purify water and as a bleaching agent and disinfectant; occurs naturally only as a salt (as in sea water)