(with a year) about: c1775.
Other definitions for c (2 of 13)
Optics. candle; candles.
Other definitions for c (3 of 13)
Physics, Optics. the speed of light in a vacuum: standardized as 186,282.4 miles per second (299,792,458 meters per second).
Physics, Acoustics. the speed of sound.
Other definitions for c̄ (4 of 13)
(in prescriptions) with.
Other definitions for c≻ (5 of 13)
capitals and small capitals.
Other definitions for C (6 of 13)
the third letter of the English alphabet, a consonant.
any spoken sound represented by the letter C or c, as in cat, race, or circle.
something having the shape of a C.
a written or printed representation of the letter C or c.
a device, as a printer's type, for reproducing the letter C or c.
Other definitions for C (7 of 13)
Computers. a high-level programming language: very powerful and flexible, it is used in a wide variety of applications.
Other definitions for C (8 of 13)
Other definitions for C (9 of 13)
the third in order or in a series.
(in some grading systems) a grade or mark, as in school or college, indicating the quality of a student's work as fair or average.: Sometimes c
the first tone, or keynote, in the scale of C major or the third tone in the relative minor scale, A minor.
a string, key, or pipe tuned to this tone.
a written or printed note representing this tone.
(in the fixed system of solmization) the first tone of the scale of C major, called do.
the tonality having C as the tonic note.
a symbol indicating quadruple time and appearing after the clef sign on a musical staff.
the Roman numeral for 100.: Sometimes c
a battery size for 1.5 volt dry cells: diameter, 1 inch (2.5 centimeters); length, 1.9 inches (4.8 centimeters).
Chemistry. carbon (def. 1).
Also C-note. Slang. a hundred-dollar bill.
a proportional shoe width size, narrower than D and wider than B.
a proportional brassiere cup size, smaller than D and larger than B.
the lowest quality rating for a corporate or municipal bond.
Other definitions for C- (10 of 13)
(in designations of transport aircraft) cargo: C-54; C-124.
Other definitions for c. (11 of 13)
Other definitions for c. (12 of 13)
Optics. candle; candles.: Also c
cycle; cycles.: Also c
Other definitions for C. (13 of 13)
(in Costa Rica and El Salvador) colon; colons.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use c in a sentence
Rule 16(c) was a proposed change in the rules at the 1976 Republican Convention.
“I just got my nails done,” gushes Michael c. Hall, extending his manicured, silver digits towards me.Michael C. Hall on Going Drag for ‘Hedwig and the Angry Inch’ and Exorcising ‘Dexter’ | Marlow Stern | December 4, 2014 | THE DAILY BEAST
Right off the bat, papyrologist Brice c. Jones noted that something was awry.Dismembering History: The Shady Online Trade in Ancient Texts | Candida Moss | November 23, 2014 | THE DAILY BEAST
Some were silent from shock, others giddy and smiling as they boarded the U.S. Air Force c-130s.‘Argo’ in the Congo: The Ghosts of the Stanleyville Hostage Crisis | Nina Strochlic | November 23, 2014 | THE DAILY BEAST
“Chick Chick,” the latest tune by c-Pop sensation Wang Rong, is like “Gangnam Style” on MDMA.The Most WTF Music Video of the Year: Wang Rong’s ‘Chick Chick’ is ‘Gangnam Style’ on MDMA | Marlow Stern | November 16, 2014 | THE DAILY BEAST
c was a Captain, all covered with lace; D was a drunkard, and had a red face.
He was a bookseller, but better known as a translator of the German contributor to the Gentleman's Magazine, &c.The Every Day Book of History and Chronology | Joel Munsell
(c) Decomposition of exudates anywhere in the body, as in empyema, bronchiectasis, and large tuberculous cavities.A Manual of Clinical Diagnosis | James Campbell Todd
En effet un soir, sa femme et enfans l'abandonnerent entierement, et s'en allerent cabaner ailleurs, pensant que c'en estoit vuid.
The usual forms are: (a) Ammoniomagnesium phosphate crystals; (b) acid calcium phosphate crystals; and (c) amorphous phosphates.A Manual of Clinical Diagnosis | James Campbell Todd
British Dictionary definitions for c (1 of 7)
specific heat capacity
the speed of light and other types of electromagnetic radiation in a vacuum
chess See algebraic notation
British Dictionary definitions for c (2 of 7)
the third letter and second consonant of the modern English alphabet
a speech sound represented by this letter, in English usually either a voiceless alveolar fricative, as in cigar, or a voiceless velar stop, as in case
the third in a series, esp the third highest grade in an examination
something shaped like a C
(in combination): a C-spring
British Dictionary definitions for C (3 of 7)
a note having a frequency of 261.63 hertz (middle C) or this value multiplied or divided by any power of 2; the first degree of a major scale containing no sharps or flats (C major)
a key, string, or pipe producing this note
the major or minor key having this note as its tonic
(Roman numeral) 100: See Roman numerals
Cuba (international car registration)
a computer programming language combining the advantages of a high-level language with the ability to address the computer at a level comparable with that of an assembly language
British Dictionary definitions for C- (4 of 7)
cargo transport: C-5
British Dictionary definitions for c. (5 of 7)
century or centuries
(used esp preceding a date) circa: c. 1800
British Dictionary definitions for C. (6 of 7)
(on maps as part of name) Cape
British Dictionary definitions for c/- (7 of 7)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for c (1 of 2)
The symbol for the speed of light in a vacuum.
Scientific definitions for C (2 of 2)
Abbreviation of capacitance, capacitor, capacity, Celsius, charge conjugation, coulomb, cytosine
A programming language developed in 1972 and commonly used for writing professional software. With only a small number of built-in functions, it requires less memory than other languages, and because most if its functions are not specific to particular computers, it can be used on many different kinds of machines. The Unix operating system was written in C.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.