| sort results: alphabetical | rank ? |
| Rank | Abbr. | Meaning | |
|---|
| ****** | C | Click | |
| ****** | C | Copyright (usually written ©) | |
| ****** | C | 100 (Roman numeral) | |
| ****** | C | Cum (Latin: With, often seen with a bar over the c) | |
| ****** | C | See | |
| ****** | C | Company | |
| ****** | C | Control | |
| ****** | C | Center (basketball) | |
| ****** | C | Center (football) | |
| ****** | C | Complete | |
| ****** | C | Current (action code) | |
| ****** | C | College | |
| ****** | C | Case | |
| ****** | C | Cost | |
| ****** | C | Category (abstract algebra) | |
| ****** | C | Color | |
| ****** | C | Close | |
| ****** | C | Clear | |
| ****** | C | Club (class airfare) | |
| ****** | C | Chicago | |
| ****** | C | Common | |
| ****** | C | Individual (IRB) | |
| ****** | C | Sea | |
| ****** | C | Correct | |
| ****** | C | Canadian | |
| ****** | C | C Programming Language | |
| ****** | C | Century | |
| ****** | C | Combined (DoD) | |
| ****** | C | Corporate | |
| ****** | C | Centre (Canada Post road designation) | |
| ****** | C | Clubs (playing cards) | |
| ****** | C | Cookie | |
| ****** | C | Corporation | |
| ****** | C | Cable | |
| ****** | C | Character | |
| ****** | C | Average grade | |
| ****** | C | Cell (phone; science) | |
| ****** | C | Caught | |
| ****** | C | Cup | |
| ****** | C | Chief | |
| ****** | C | Committee | |
| ****** | C | Chapter | |
| ****** | C | Compliance (Network World) | |
| ****** | C | Chemical | |
| ****** | C | Transport (US military aircraft designation for transport aircraft since 1962) | |
| ****** | C | Charlotte, NC (mint mark on coinage 1837-1861) | |
| ****** | C | Charlie | |
| ****** | C | Economy Class (Air Freight) | |
| ****** | C | Air Post (philatelic catalog prefix for non-ground stamps) | |
| ****** | C | Corner (welded joint type) | |
| ****** | C | Connect (ITU-T) | |
| ****** | C | Cycle | |
| ****** | C | Castle | |
| ****** | C | Battery Size | |
| ****** | C | Constant | |
| ****** | C | Prince Edward Island (Canada Post designation) | |
| ****** | C | Confidential | |
| ****** | C | Circuit | |
| ****** | C | Catholic | |
| ****** | C | Chairman | |
| ****** | C | Cent | |
| ****** | C | Congress | |
| ****** | C | Collector (transistor; electronics) | |
| ****** | C | Carbon | |
| ****** | C | Candle | |
| ****** | C | Calm | |
| ****** | C | Combinations (probability) | |
| ****** | C | Consumption (economics) | |
| ****** | C | Cliff (Stores 100 code) | |
| ****** | C | Circa | |
| ****** | C | Conservative | |
| ****** | C | Commonwealth | |
| ****** | C | Container (SDH) | |
| ****** | C | Cloudy | |
| ****** | C | Colon (currency of Costa Rica and El Salvador) | |
| ****** | C | Cork (Irish car registration) | |
| ****** | C | Cairo (Egyptian automobile license plate) | |
| ****** | C | Cubic | |
| ****** | C | Codex | |
| ****** | C | Calorie | |
| ****** | C | Compute(r) | |
| ****** | C | Cough | |
| ****** | C | Carat | |
| ****** | C | Catcher (baseball) | |
| ****** | C | Conduit | |
| ****** | C | Cocaine | |
| ****** | C | Canceled | |
| ****** | C | Cyan | |
| ****** | C | Affirmative (logging abbreviation) | |
| ****** | C | Clerical (for ACG duties) | |
| ****** | C | Clock Mode (aviation) | |
| ****** | C | Circumference | |
| ****** | C | Countess | |
| ****** | C | Coefficient | |
| ****** | C | Cessna (civilian aircraft) | |
| ****** | C | Correlations | |
| ****** | C | Chromosome (as in banding) | |
| ****** | C | Curie | |
| ****** | C | Clockwise | |
| ****** | C | Constant of Integration (calculus) | |
| ****** | C | Carbone (French: Carbon) | |
| ****** | C | Comptroller | |
| ****** | C | Consonant (speech) | |
| ****** | C | Citigroup (stock symbol) | |
| ****** | C | CitiGroup, Inc. (NYSE symbol) | |
| ****** | C | Ascorbic Acid (vitamin) | |
| ****** | C | Coverage factor | |
| ****** | C | Conseco | |
| ****** | C | Circling (approach and landing charts) | |
| ****** | C | C Major (music) | |
| ****** | C | Capacitance | |
| ****** | C | Exposure Concentration (environment) | |
| ****** | C | Centimeter | |
| ****** | C | Cranial Nerve | |
| ****** | C | Cysteine (amino acid) | |
| ****** | C | Cedi (currency of Ghana) | |
| ****** | C | Court of Chancery (UK) | |
| ****** | C | Set of Complex Numbers (mathematics) | |
| ****** | C | Coulomb | |
| ****** | C | Centavo | |
| ****** | C | Centime | |
| ****** | C | Convective | |
| ****** | C | Ceiling Limit (weather reports) | |
| ****** | C | Contralto | |
| ****** | C | Centum (relating to an Indo-European language pronunciation) | |
| ****** | C | Cool Breeze (rapper) | |
| ****** | C | Centi (abbreviation of abbreviation for 1/100) | |
| ****** | C | Central Standard Time (as used in time groups) | |
| ****** | C | Cytosine | |
| ****** | c | Centerpartiet (Swedish political party) | |
| ****** | C | Caesarian | |
| ****** | C | Nicaraguan Cordoba (national currency) | |
| ***** | C | Cervical Vertebra (prefix, as in C-1, C-2) | |
| ***** | C | Cycloplegic | |
| ***** | C | Celsius/Centigrade | |
| **** | C | Congius (Latin: Colt) | |
| *** | C | C Programming Language Source Code (file name extension) | |
| *** | c | symbol for the speed of light (in a vacuum, 299,792,458 meters per second) | |
| *** | C | Fresnel Cosine Integral | |
| *** | C | Federal Reserve Bank of Philadelphia, Pennsylvania (designates original point of circulation of a dollar bill) | |
| *** | C | creeping line pattern (US DoD) | |
| ** | C | Musical pitch/note | |
| * | C | Undenominated US Stamp (20 cents, introduced 1 Nov 1981) | |
