CD ◆◇◇ /siː diː / (CDs ) N‑COUNT CDs are small plastic discs on which sound, especially music, can be recorded. CDs can also be used to store information which can be read by a computer. CD is an abbreviation for 'compact disc'. □ The Beatles' Red and Blue compilations were issued on CD for the first time.
C D burn|er (CD burners ) N‑COUNT A CD burner is the same as a CD writer . [COMPUTING ]
C.diff /siː d I f/ N‑UNCOUNT C.diff is an abbreviation for Clostridium difficile . [MEDICAL ]
C D play|er ◆◇◇ (CD players ) N‑COUNT A CD player is a machine on which you can play CDs.
Cdr in AM, also use CDR N‑TITLE Cdr is the written abbreviation for commander when it is used as a title. □ …Cdr A.C. Moore.
CD-ROM ◆◇◇ /siː diː rɒ m/ (CD-ROMs ) N‑COUNT A CD-ROM is a CD on which a very large amount of information can be stored and then read using a computer. CD-ROM is an abbreviation for 'compact disc read-only memory'. [COMPUTING ] □ The collected Austen novels on CD-ROM will cost £35.
CD-ROM drive /siː diː rɒ m dra I v/ (CD-ROM drives ) N‑COUNT A CD-ROM drive is the device that you use with a computer to play CD-ROMs. [COMPUTING ]
C D writ|er (CD writers ) N‑COUNT A CD writer is a piece of computer equipment that you use for copying data from a computer onto a CD. [COMPUTING ]
CE / siː iː / Many people now use CE in dates to indicate a number of years or centuries after AD 1 or after the year in which Jesus is believed to have been born. Compare BCE . □ Christianity was adopted in 324 CE as the official religion of the Roman Empire. □ The language was practically extinct by the sixth century CE.
cease ◆◇◇ /siː s/ (ceases , ceasing , ceased )
1 VERB If something ceases , it stops happening or existing. [FORMAL ] □ [V ] At one o'clock the rain had ceased.
2 VERB If you cease to do something, you stop doing it. [FORMAL ] □ [V to-inf] He never ceases to amaze me. □ [V v-ing] A small number of firms have ceased trading.
3 VERB If you cease something, you stop it happening or working. [FORMAL ] □ [V n] The Daily Herald ceased publication, to be replaced by The Sun. SYNONYMS cease VERB 2
stop: Stop throwing those stones!
discontinue: Do not discontinue the treatment without consulting your doctor.
end: Talks have resumed to try to end the fighting.
finish: As soon as he'd finished eating, he excused himself.
cease|fire ◆◇◇ /siː sfa I ə r / (ceasefires ) also cease-fire N‑COUNT A ceasefire is an arrangement in which countries or groups of people that are fighting each other agree to stop fighting. □ They have agreed to a ceasefire after three years of conflict.
cease|less /siː sləs/ ADJ If something, often something unpleasant, is ceaseless , it continues for a long time without stopping or changing. [FORMAL ] □ There is a ceaseless struggle from noon to night. ● cease|less|ly ADV [usu ADV with v] □ The characters complain ceaselessly about food queues, prices and corruption.
ce|dar /siː də r / (cedars ) N‑VAR A cedar or a cedar tree is a large evergreen tree with wide branches and small thin leaves called needles. ● N‑UNCOUNT [oft N n] Cedar is the wood of this tree. □ The yacht is built of cedar strip planking.
cede /siː d/ (cedes , ceding , ceded ) VERB If someone in a position of authority cedes land or power to someone else, they let them have the land or power, often as a result of military or political pressure. [FORMAL ] □ [V n + to ] Only a short campaign took place in Puerto Rico, but after the war Spain ceded the island to America. □ [V n] The General had promised to cede power by January.
ce|dil|la /s I d I lə/ (cedillas ) N‑COUNT A cedilla is a symbol that is written under the letter 'c' in French, Portuguese, and some other languages to show that you pronounce it like a letter 's' rather than like a letter 'k'. It is written ç.
cei|lidh /ke I li/ (ceilidhs ) N‑COUNT A ceilidh is an informal entertainment, especially in Scotland or Ireland, at which there is folk music, singing, and dancing.
ceil|ing /siː l I ŋ/ (ceilings )
1 N‑COUNT A ceiling is the horizontal surface that forms the top part or roof inside a room. □ The rooms were spacious, with tall windows and high ceilings. □ The study was lined from floor to ceiling on every wall with bookcases.
2 N‑COUNT A ceiling on something such as prices or wages is an official upper limit that cannot be broken. □ [+ on ] …an informal agreement to put a ceiling on salaries. □ [+ of ] The agreement sets the ceiling of twenty-two-point-five million barrels a day on OPEC production.
ce|leb /s I le b/ (celebs ) N‑COUNT A celeb is the same as a celebrity . [mainly JOURNALISM , INFORMAL ]
cel|ebrant /se l I brənt/ (celebrants ) N‑COUNT A celebrant is a person who performs or takes part in a religious ceremony. [FORMAL ]
cel|ebrate ◆◇◇ /se l I bre I t/ (celebrates , celebrating , celebrated )
1 VERB If you celebrate , you do something enjoyable because of a special occasion or to mark someone's success. □ [V ] I was in a mood to celebrate. □ [V n] Tom celebrated his 24th birthday two days ago.
2 VERB If an organization or country is celebrating an anniversary, it has existed for that length of time and is doing something special because of it. □ [V n] The Society is celebrating its tenth anniversary this year.